{"id":9633,"date":"2022-02-23T10:29:58","date_gmt":"2022-02-23T10:29:58","guid":{"rendered":"https:\/\/petpedia.co\/blog\/?p=9633"},"modified":"2022-02-23T10:29:58","modified_gmt":"2022-02-23T10:29:58","slug":"ocean-facts","status":"publish","type":"post","link":"https:\/\/petpedia.co\/blog\/ocean-facts\/","title":{"rendered":"Ocean Facts: How Much of the Ocean Has Been Explored"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Since the ocean is a fascinating place, there are many unbelievable <\/span><span style=\"font-weight: 400;\">ocean facts<\/span><span style=\"font-weight: 400;\"> that will shock you. It is much bigger than you can imagine, and there are many surprising things you can find.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We\u2019ve chosen only the best information, so if you\u2019re interested to learn more, read on.<\/span><\/p>\n<h2 id='top-10-ocean-facts-to-make-you-wonder'><span style=\"font-weight: 400;\">Top 10 <\/span><span style=\"font-weight: 400;\">Ocean Facts<\/span><span style=\"font-weight: 400;\"> to Make You Wonder<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">3\/4 of the ocean is the <a href=\"#deep sea ocean\">deep sea ocean<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Mid-Ocean ridge is <a href=\"#43,495.98 miles long\">43,495.98 miles long<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"#First ocean explorations\">First ocean explorations<\/a> started in 4500 BC.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"#240,002 different ocean species\">240,248 different ocean species<\/a> have been discovered and cataloged.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Only around <a href=\"#20% of the ocean floor\">20% of the ocean floor<\/a> has been mapped.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ocean exploration can bring <a href=\"#new sources for medical therapies\">new sources for medical therapies<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hydrothermal vent water <a href=\"#can reach 700\u00b0F\">can reach 700\u00b0F<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A <a href=\"#mammoth tusk\">mammoth tusk<\/a> was found in the ocean in a 2021 expedition.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The deep ocean is under pressures of <a href=\"#3000 to 9000 pounds per square inch\">3000 to 9000 pounds per square inch<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By the end of the 21st century, the <a href=\"#ocean might change its color\">ocean might change its color<\/a>.<\/span><\/li>\n<\/ul>\n<h2 id='how-much-of-the-ocean-has-been-explored'><span style=\"font-weight: 400;\">How Much of the Ocean Has Been Explored<\/span><span style=\"font-weight: 400;\">?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Only around 20% of the ocean has been explored as of 2021. Until now, the explorers have been able to map just this much because of the ocean\u2019s size and many drawbacks. But, there are many ongoing expeditions currently mapping the ocean\u2019s bottom with huge success.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<h2 id='general-ocean-facts'><span style=\"font-weight: 400;\">General <\/span><span style=\"font-weight: 400;\">Ocean Facts<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you want to learn more about the ocean\u2019s depth, surface, and some <\/span><span style=\"font-weight: 400;\">ocean animals facts,<\/span><span style=\"font-weight: 400;\"> continue reading.<\/span><\/p>\n<h3 id='1-the-ocean-is-on-average-12100-feet-2-3-miles-deep'><span style=\"font-weight: 400;\">1. The ocean is, on average, 12,100 feet (2.3 miles) deep.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The deepest part of the ocean is 36,200 feet called Challenger Deep, and it\u2019s located at the bottom of the Mariana Trench in the Pacific Ocean.<\/span><\/p>\n<h3 id='2-the-oceans-surface-covers-an-area-of-139743498-65-square-miles'><span style=\"font-weight: 400;\">2. The ocean&#8217;s surface covers an area of 139,743,498.65 square miles.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(WorldAtlas, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When divided into the five oceans, the largest is the Pacific Ocean with an area of 65,144,314.4958 square miles, taking 46.6% of the full surface area. Other oceans are a lot smaller and take up the following areas:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Atlantic Ocean 32,870,035.063 sqm \u2014 23.5%<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indian Ocean<\/span> <span style=\"font-weight: 400;\">27,243,368.307 sqm \u201419.5%<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Southern Ocean 8,478,803.4016 sqm \u2014 6.1%<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Arctic Ocean\u00a0 6,006,977.3826 sqm \u2014 4.3%<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Surprisingly, although a lot of this surface is not yet well researched, <\/span><a href=\"https:\/\/petpedia.co\/blog\/overfishing-statistics\/\"><span style=\"font-weight: 400;\">over 55% of it is already used for industrial fishing<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id='3-the-ocean-covers-around-70-of-the-earth%e2%80%99s-surface'><span style=\"font-weight: 400;\">3. The ocean covers around 70% of the Earth\u2019s surface.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(National Geographic, 2019)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Ocean is the largest body of water globally, and 97% of the Earth\u2019s water comes from the ocean. Since 71% of the Earth is covered in water, the ocean takes around 70%.<\/span><\/p>\n<h3 id='4-50-of-all-oxygen-comes-from-the-ocean'><span style=\"font-weight: 400;\">4. 50% of all oxygen comes from the ocean.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(The Conversation, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although there\u2019s a misconception that the ocean produces oxygen for humans, this isn&#8217;t true. The oxygen produced is \u2018consumed\u2019 by animals and other living organisms in the ocean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But, although this should be enough oxygen for all living creatures, the recent <\/span><span style=\"font-weight: 400;\">ocean pollution facts<\/span><span style=\"font-weight: 400;\"> and statistics show that there\u2019s a growth of <\/span><a href=\"https:\/\/petpedia.co\/blog\/water-pollution-statistics\/\"><span style=\"font-weight: 400;\">low oxygen patches, where nutrient pollution is preventing life<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id='5-3-5-of-water%e2%80%99s-weight-is-salt'><span style=\"font-weight: 400;\">5. 3.5% of water\u2019s weight is salt.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This number represents the average for the entire ocean. Around the North Pole, South Pole, and the Equator, salt levels are lower.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The majority of this salt comes from land rock erosion and hydrothermal fluids, which come from vents in the seafloor.<\/span><\/p>\n<h3 id='6-there-are-372000-miles-of-coastline-worldwide'><span style=\"font-weight: 400;\">6. There are 372,000 miles of coastline worldwide.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Medium, 2019, WorldAtlas, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The largest coastline in the world is in Canada, 125,567 miles long. The US coastline is much smaller and is 12,380 miles long.<\/span><\/p>\n<h3 id='7-34-of-the-ocean-is-the-deep-sea-ocean'><span style=\"font-weight: 400;\">7. 3\/4 of the ocean is the deep sea ocean.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Smithsonian Ocean, 2019, Ocean Exploration)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The deep ocean begins at a depth of 650 feet and can be as deep as 36,200 ft \u2014 the depth of Challenger Deep.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One of the most interesting <\/span><span style=\"font-weight: 400;\">deep ocean facts<\/span><span style=\"font-weight: 400;\"> is that there\u2019s no light in the deep ocean, so there\u2019s no photosynthesis, but it\u2019s still full of life, and many creatures live there.<\/span><\/p>\n<h3 id='8-mid-ocean-ridge-is-43495-98-miles-long'><span style=\"font-weight: 400;\">8. Mid-Ocean Ridge is 43,495.98 miles long.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(ScienceDirect, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although it\u2019s completely underwater, this is the largest mountain range in the world. It also contains the most active system of volcanoes on Earth.<\/span><\/p>\n<h3 id='9-most-animal-life-can-be-found-in-the-first-656-ft-%e2%80%94-the-photic-area'><span style=\"font-weight: 400;\">9. Most animal life can be found in the first 656 ft \u2014 the photic area.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Sciencing, 2019)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is the only part of the ocean that receives light, and where most of the sea animals live.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One of the most interesting <\/span><span style=\"font-weight: 400;\">facts about ocean animals<\/span><span style=\"font-weight: 400;\"> is that some don\u2019t live in this area because of the light but because of the planktons. Zooplanktons need light, and animals like fish and <\/span><a href=\"https:\/\/petpedia.co\/blog\/whale-shark-facts\/\"><span style=\"font-weight: 400;\">even whale sharks feed on zooplanktons<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id='ocean-exploration-facts-and-important-discoveries'><span style=\"font-weight: 400;\">Ocean Exploration Facts<\/span><span style=\"font-weight: 400;\"> and Important Discoveries<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The ocean has been explored for a long time, and although we\u2019ve just scratched the surface, many things have been discovered. Our <\/span><span style=\"font-weight: 400;\">ocean stats<\/span><span style=\"font-weight: 400;\"> and facts will show you the <\/span><span style=\"font-weight: 400;\">history of ocean exploration<\/span><span style=\"font-weight: 400;\">, important explorations, and discoveries.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So, let\u2019s dive in.<\/span><\/p>\n<h3 id='10-first-ocean-explorations-started-around-4500-bc'><span style=\"font-weight: 400;\">10. First ocean explorations started around 4500 BC.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Sea and Sky, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This was when early and primitive ocean exploration started, but diving was mainly used to find food.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Look at our<\/span><span style=\"font-weight: 400;\"> ocean exploration timeline<\/span><span style=\"font-weight: 400;\"> to learn more about this surprising and fascinating history.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">900 AD \u2014 Vikings start exploring the ocean through their travels<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The 1400s\/1500s \u2014 great open ocean exploration trips (Columbo, Magellan, etc.)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1620 \u2014 first submarine invented<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1797 \u2014 first diving suit<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1800\u00a0 \u2014 the invention of Nautilus (famous submarine)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1849 \u2014 Continental Shelf discovery<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1867 \u2014 confirmation of the deep-sea life<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1872 \u2014 30,000 ocean species discovered, H.M.S. Challenger exploration<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1899 \u2014 Pacific expedition<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1925 \u2014 mapping the Ocean Floor<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1934 \u2014 first deep dive expedition<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1950\u2013today \u2014 golden age (Mariana Trench discovery, marine laboratories, ocean surface, and ocean floor mapping from space, expeditions to the Challenger Deep)<\/span><\/li>\n<\/ul>\n<h3 id='11-240248-different-ocean-species-have-been-discovered-and-cataloged'><span style=\"font-weight: 400;\">11. 240,248 different ocean species have been discovered and cataloged.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(World Register of Marine Species, 2022)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This number is accurate at the time of writing but is changing daily and the number is updated regularly.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There are no specific numbers that show how many different species actually live in the ocean. But, since the ocean biome is one of the richest and is home to many animals and other living creatures, the numbers could be in millions.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although the numbers can only grow, as scientists discover new species, <\/span><span style=\"font-weight: 400;\">ocean statistics<\/span><span style=\"font-weight: 400;\"> show that many ocean <\/span><a href=\"https:\/\/petpedia.co\/blog\/dolphin-facts\/\"><span style=\"font-weight: 400;\">animals, like Hector\u2019s dolphin, are near extinction<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3 id='12-only-around-20-of-the-ocean-floor-has-been-mapped'><span style=\"font-weight: 400;\">12. Only around 20% of the ocean floor has been mapped.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(GEBCO Seabed 2030 Project, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In 2017, only 6% was mapped. But the 2020 <\/span><span style=\"font-weight: 400;\">ocean floor <\/span><span style=\"font-weight: 400;\">exploration <\/span><span style=\"font-weight: 400;\">facts<\/span><span style=\"font-weight: 400;\"> show that the number is now much higher.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Using the newest ocean exploration technology, a group of scientists has been exploring the ocean floor and has mapped 5.6 million sqm in just one year. They plan to finish mapping the other 80% by 2030.<\/span><\/p>\n<h3 id='13-one-man-reached-the-five-deepest-points-in-the-ocean-in-2019'><span style=\"font-weight: 400;\">13. One man reached the five deepest points in the ocean in 2019.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Guinness World Records, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Victor Vescovo went to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Molloy Deep \u2014\u00a0 18,212 ft<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java Trench \u2014\u00a0 23,596 ft<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">South Sandwich Trench \u2014\u00a0 24,390 ft<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Puerto Rico Trench \u2014\u00a0 27,480 ft<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Challenger Deep (deepest point on Earth) \u2014\u00a0 35,843 ft<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This is officially the <\/span><span style=\"font-weight: 400;\">deepest ocean exploration<\/span><span style=\"font-weight: 400;\"> by a crewed vessel to date.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The record for the deepest solo dive was previously held by the famous film director James Cameron. James Cameron\u2019s ocean exploration was in 2012, but he didn\u2019t go as deep as Vescovo.<\/span><\/p>\n<h3 id='14-ocean-explorations-can-bring-new-sources-for-medical-therapies'><span style=\"font-weight: 400;\">14. Ocean explorations can bring new sources for medical therapies.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The ocean is a source of ingredients for many new antibiotics and antiviral medicines. These discoveries can be crucial for curing certain diseases.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other <\/span><span style=\"font-weight: 400;\">ocean exploration benefits<\/span><span style=\"font-weight: 400;\"> are the following:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Development of new technologies and scientific processes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Helps sustainable ocean management<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shows the impact of environmental changes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Useful for national security, country boundaries, and using ocean resources<\/span><\/li>\n<\/ul>\n<h2 id='fun-facts-about-the-ocean'><span style=\"font-weight: 400;\">Fun Facts About the Ocean<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">For all the ocean enthusiasts, we\u2019ve prepared some<\/span><span style=\"font-weight: 400;\"> interesting facts about the ocean<\/span><span style=\"font-weight: 400;\"> that will surprise you. We\u2019ve also found some terrifying and <\/span><span style=\"font-weight: 400;\">creepy facts about the ocean<\/span><span style=\"font-weight: 400;\"> to make you shiver.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So, be sure to continue reading.<\/span><\/p>\n<h3 id='15-hydrothermal-vent-water-can-reach-700%c2%b0f'><span style=\"font-weight: 400;\">15. Hydrothermal vent water can reach 700\u00b0F.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This means it could easily melt you!\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But, even though it\u2019s this hot, the water in hydrothermal vents doesn\u2019t boil due to the pressure. And interestingly, the space near these vents is home to various living beings.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hydrothermal vents are the ocean\u2019s hot springs produced by underwater volcanoes. They were first discovered in 1977 near Galapagos and are still interesting to scientists.<\/span><\/p>\n<h3 id='16-a-mammoth-tusk-was-found-in-the-ocean-in-a-2021-expedition'><span style=\"font-weight: 400;\">16. A mammoth tusk was found in the ocean in a 2021 expedition.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Mashable, 2021)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The tusk, which belonged to a Columbian mammoth, was found 10,000 feet below the ocean surface during a deep ocean exploration using a robot.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The scientists are not sure how it got there, but it probably got washed into the ocean during a larger flood.<\/span><\/p>\n<h3 id='17-the-pressure-300-feet-deep-in-the-ocean-is-10-atmospheres'><span style=\"font-weight: 400;\">17. The pressure 300 feet deep in the ocean is 10 atmospheres.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(The Atlantic, 2020)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">And it becomes worse if you go deeper. This is one of the <\/span><span style=\"font-weight: 400;\">scariest facts about the ocean<\/span><span style=\"font-weight: 400;\"> since this means that the ocean can crush you!\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The pressure is 100\u2013300 times higher than the one in car tires. This is why deep ocean exploration and research without special pressure-proof equipment is impossible.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Animals living in the ocean are adapted to the high pressure, and their bodies are specifically made to live there. For example, whales have more flexible cartilage, allowing their lungs not to rupture and their bones not to break.<\/span><\/p>\n<h3 id='18-the-first-ocean-appeared-around-4-4-billion-years-ago'><span style=\"font-weight: 400;\">18. The first ocean appeared around 4.4 billion years ago.<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Smithsonian Ocean, 2019)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The year is based on the ocean data that scientists currently have but is only approximate.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Of all the now known oceans,<\/span><span style=\"font-weight: 400;\"> the Pacific was the first one to form \u2014 200+ million years ago<\/span><span style=\"font-weight: 400;\">, and was named in the 16th century by the explorer Ferdinand Magellan.<\/span><\/p>\n<h3 id='19-by-the-end-of-the-21st-century-the-ocean-might-change-its-color-%c2%a0'><span style=\"font-weight: 400;\">19. By the end of the 21st century, the ocean might change its color.\u00a0<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">(Nature, 2019)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These changes in the ocean color come from pollution and climate change, which impact phytoplanktons. With fewer phytoplanktons in the water, the colors become more intense.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although phytoplanktons aren\u2019t responsible for the blue color, they\u2019re directly responsible for the hue.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Satellites have already observed the changes, suggesting that life is starting to die in some ocean parts.\u00a0<\/span><\/p>\n<h2 id='faq'><span style=\"font-weight: 400;\">FAQ<\/span><\/h2>\n<h3 id='why-did-nasa-stop-exploring-the-ocean'><span style=\"font-weight: 400;\">Why did NASA stop exploring the ocean<\/span><span style=\"font-weight: 400;\">?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">NASA didn\u2019t actually stop exploring the ocean. But, NASA\u2019s ocean exploration is not as you would expect it to be. They only explore the ocean from their satellites.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although some internet sources claim that NASA was initially created to explore the ocean, and after a mysterious discovery switched to space, this was proven to be a lie. NASA has always been a space and atmosphere research agency.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(The Focus)<\/span><\/p>\n<h3 id='have-we-been-to-the-bottom-of-the-ocean'><span style=\"font-weight: 400;\">Have we been to the bottom of the ocean<\/span><span style=\"font-weight: 400;\">?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Yes, humans have reached the bottom of the ocean. Even the deepest part of the ocean was explored a few times.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But, some parts of the ocean bottom still remain a complete mystery to us, and aren\u2019t yet researched.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(Live Science, 2020)<\/span><\/p>\n<h3 id='what-is-unique-about-the-ocean'><span style=\"font-weight: 400;\">What is unique about the ocean<\/span><span style=\"font-weight: 400;\">?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">What makes the ocean unique is that it\u2019s the place where most life on Earth happens, but we know so little about it.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">And, if you read all of our facts about the ocean, you\u2019ll see how unique and special it is.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(NOAA\u2019s National Ocean Service, 2021)<\/span><\/p>\n<h3 id='what-has-been-discovered-in-the-ocean-in-2021'><span style=\"font-weight: 400;\">What has been discovered in the ocean in 2021<\/span><span style=\"font-weight: 400;\">?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The most exciting discovery is the mammoth tusk found 10,000 feet deep in the ocean. Other explorations and discoveries are the following:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Scientists have explored life 13,000 feet below the ice in the Arctic ocean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Potentially new, unidentified life forms were found near a hydrothermal vent.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The barrels of waste were found near the Los Angeles coast.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A new species of glowing sharks was observed.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">(Mashable, 2021)<\/span><\/p>\n<h3 id='why-is-80-of-the-ocean-undiscovered'><span style=\"font-weight: 400;\">Why is 80<\/span><span style=\"font-weight: 400;\">%<\/span><span style=\"font-weight: 400;\"> of the ocean undiscovered?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Firstly, it\u2019s undiscovered because it\u2019s not accessible due to the high pressure and darkness.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But, the biggest reason is that humans simply didn\u2019t have the means to explore it until recently. Now, with new technology and ocean robots, the situation is changing.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Usually, people compare <\/span><span style=\"font-weight: 400;\">ocean exploration vs. space exploration<\/span><span style=\"font-weight: 400;\"> and wonder how we can observe everything in the universe but not in the ocean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The reason is light in space and excellent telescope power. But in the end, we have researched 20% of the ocean, while we still don\u2019t know much about the universe at all.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(Oceana, 2020)<\/span><\/p>\n<h2 id='conclusion'><span style=\"font-weight: 400;\">Conclusion<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The ocean is a place of wonder, which has puzzled people from the beginning of time. It takes up around 70% of our planet, but we know so little about it.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But, we\u2019re starting to know it a bit better with all the new research. This is why we chose the best and most recent <\/span><span style=\"font-weight: 400;\">ocean facts<\/span><span style=\"font-weight: 400;\"> to help you understand it a little bit and appreciate how great it is.<\/span><\/p>\n<h3 id='sources'><span style=\"font-weight: 400;\">Sources:<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/seabed2030.org\/news\/seabed-2030-announces-new-partnership-uk-hydrographic-office-and-teledyne-caris-occasion-world\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">GEBCO Seabed 2030 Project<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/guinnessworldrecords.com\/world-records\/103385-deepest-manned-descent-solo\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Guinness World Records<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.livescience.com\/65468-explorer-breaks-record-deepest-ocean-dive.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Live Science<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/mashable.com\/article\/deep-sea-ocean-discoveries\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Mashable<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/medium.com\/@mariahbeckwith\/important-reasons-to-start-a-passionate-ocean-business-793bd8c50009\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Medium<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.nationalgeographic.org\/encyclopedia\/ocean\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">National Geographic<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.nature.com\/articles\/s41467-019-08457-x\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Nature<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceanservice.noaa.gov\/facts\/exploration.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NOAA\u2019s National Ocean Service<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceanservice.noaa.gov\/facts\/oceandepth.html#:~:text=The%20average%20depth%20of%20the,U.S.%20territorial%20island%20of%20Guam.\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NOAA\u2019s National Ocean Service<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceanservice.noaa.gov\/facts\/whysalty.html#:~:text=The%20concentration%20of%20salt%20in,temperature%2C%20evaporation%2C%20and%20precipitation.&amp;text=The%20average%20salinity%20is%20about,comes%20from%20the%20dissolved%20salts.\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NOAA\u2019s National Ocean Service<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceanexplorer.noaa.gov\/backmatter\/whatisexploration.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NOAA\u2019s National Ocean Service<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceanservice.noaa.gov\/facts\/vents.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NOAA\u2019s National Ocean Service<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/oceana.org\/blog\/why-does-so-much-ocean-remain-unexplored-and-unprotected\/#:~:text=%E2%80%9CThe%20intense%20pressures%20in%20the,pressure%20would%20decrease%20to%20zero.\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Oceana<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.sciencedirect.com\/topics\/physics-and-astronomy\/mid-ocean-ridges\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">ScienceDirect<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/sciencing.com\/lives-photic-zone-8235174.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Sciencing<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"http:\/\/www.seasky.org\/ocean-exploration\/ocean-timeline-menu.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Sea and Sky<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/ocean.si.edu\/ecosystems\/deep-sea\/deep-sea\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Smithsonian Ocean<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/ocean.si.edu\/through-time\/ocean-through-time#:~:text=The%20First%20Oceans%20of%20the%20Hadean,-Volcanoes%20and%20erosion&amp;text=According%20to%20the%20most%20recent,were%20dated%20around%20this%20time.\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Smithsonian Ocean<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.theatlantic.com\/magazine\/archive\/2020\/01\/20000-feet-under-the-sea\/603040\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Atlantic<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/theconversation.com\/humans-will-always-have-oxygen-to-breathe-but-we-cant-say-the-same-for-ocean-life-165148\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Conversation<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.thefocus.news\/lifestyle\/why-did-nasa-stop-exploring-the-ocean\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">The Focus<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.marinespecies.org\/index.php\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">World Register of Marine Species<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.worldatlas.com\/articles\/how-many-oceans-are-there-in-the-world.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">WorldAtlas<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.worldatlas.com\/articles\/countries-with-the-most-coastline.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">WorldAtlas<\/span><\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why did NASA stop exploring the ocean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"NASA didn\u2019t actually stop exploring the ocean. But, NASA\u2019s ocean exploration is not as you would expect it to be. They only explore the ocean from their satellites.\u00a0\\n\\nAlthough some internet sources claim that NASA was initially created to explore the ocean, and after a mysterious discovery switched to space, this was proven to be a lie. NASA has always been a space and atmosphere research agency.\"}},{\"@type\":\"Question\",\"name\":\"Have we been to the bottom of the ocean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, humans have reached the bottom of the ocean. 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Other explorations and discoveries are the following:\\n\\nScientists have explored life 13,000 feet below the ice in the Arctic ocean.\\nPotentially new, unidentified life forms were found near a hydrothermal vent.\\nThe barrels of waste were found near the Los Angeles coast.\\nA new species of glowing sharks was observed.\"}},{\"@type\":\"Question\",\"name\":\"Why is 80% of the ocean undiscovered?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Firstly, it\u2019s undiscovered because it\u2019s not accessible due to the high pressure and darkness.\\n\\nBut, the biggest reason is that humans simply didn\u2019t have the means to explore it until recently. Now, with new technology and ocean robots, the situation is changing.\\n\\nUsually, people compare ocean exploration vs. space exploration and wonder how we can observe everything in the universe but not in the ocean.\\n\\nThe reason is light in space and excellent telescope power. But in the end, we have researched 20% of the ocean, while we still don\u2019t know much about the universe at all.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>How much of the ocean has been explored? You\u2019ll be surprised by how low the number is. Continue reading to find out more ocean facts. [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/petpedia.co\/blog\/ocean-facts\/\">Read More&#8230;<span class=\"screen-reader-text\"> from Ocean Facts: How Much of the Ocean Has Been Explored<\/span><\/a><\/p>\n","protected":false},"author":28,"featured_media":9634,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11,12],"tags":[],"class_list":["post-9633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stats-and-facts"],"acf":[],"_links":{"self":[{"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/posts\/9633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/comments?post=9633"}],"version-history":[{"count":0,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/posts\/9633\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/media\/9634"}],"wp:attachment":[{"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/media?parent=9633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/categories?post=9633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/petpedia.co\/blog\/wp-json\/wp\/v2\/tags?post=9633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}