6.8 miles
Correspondingly, have we reached the bottom of the ocean?
Yes. In 1960 Jacques Picard and Don Walsh reached the bottom of the Mariana Trench, considered to be the deepest place in Earth's oceans. Challenger Deep in the Marianna trench is the deepest known spot on the planet.it is just under 11 Kilometers deep.
Also, what's the deepest part of the ocean that's been explored? The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. In 2010 the United States Center for Coastal & Ocean Mapping measured the depth of the Challenger Deep at 10,994 meters (36,070 feet) below sea level with an estimated vertical accuracy of ± 40 meters.
Also Know, how far down the ocean have we gone?
The deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. To go deeper, you'll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam.
How much of the ocean has been explored 2020?
Approximately five percent of the ocean has been discovered, which leaves 95 of the ocean unexplored. Depending on who you ask, there exists not one—but two—final frontiers of discovery.
Related Question Answers
Why can't we go deep in the ocean?
The main reason is deep sea is finite whereas Outer space is infinite. Getting humans down to the deepest areas is exceedingly difficult due to extreme pressures. All that pressure makes deep sea exploration logistically very difficult and extremely dangerous. but with use of science we overcome. How deep can a human dive before being crushed?
At depths greater than 40 metres (130 ft), a diver may have only a few minutes at the deepest part of the dive before decompression stops are needed. In the event of an emergency the diver cannot make an immediate ascent to the surface without risking decompression sickness. Which ocean is the scariest?
The deepest point is in the Pacific Ocean in the Mariana Trench, a section of earth that spans more than 1,500 miles. At its lowest point — the Challenger Deep section of the trench — the ocean floor sits more than 36,000 feet below sea level, a height that scales the summit of Mount Everest plus another 7,000 feet. What lives at the bottom of the ocean?
Life In the Shadowy Depths From frightful fangtooth fish and vampire squid to coffinfish and spiky, sinister sea urchins, plenty of strange and scary creatures lurk in the dark, cold depths of the ocean How deep is the Titanic?
about 12,500 feet
Where is the deepest place on Earth?
Mariana Trench
At what depth will water crush you?
Human beings can withstand 3 to 4 atmospheres of pressure, or 43.5 to 58 psi. Water weighs 64 pounds per cubic foot, or one atmosphere per 33 feet of depth, and presses in from all sides. The ocean's pressure can indeed crush you. How long would it take to swim to the bottom of the ocean?
It'll take James Cameron about 90 minutes to touch bottom. What would happen to a human at the bottom of the ocean?
You can't breath at the bottom of the ocean. If you can't breath, your body won't stay alive for more than about 30 minutes. The pressure from the water would push in on the person's body, causing any space that's filled with air to collapse. (The air would be compressed.) What is the deepest anyone has ever been in the ocean?
(CBS/AP) Director James Cameron has gone were no man has gone before: to the deepest depths of the ocean. Late Sunday, partnering organization National Geographic announced his ocean submersible had reached a depth 35,756 feet; "a figure unattainable anywhere else in the ocean." How much of Earth is unexplored?
65% of Earth Is Unexplored. The extent of human impact on these underwater ecosystems is impressive. Still, we've only mapped 5 percent of the world's seafloor in any detail. Excluding dry land, that leaves about 65 percent of the Earth unexplored. Why is most of the ocean unexplored?
While there are seemingly few pieces of undiscovered terra firma left on Earth, adventurers shouldn't turn in their compasses just yet. The world's five oceans have gone largely unexplored. Because the oceans cover 71% of the planet's surface, that means most of Earth has yet to be observed by humans. Should we be exploring the oceans instead of space?
Information from deep-ocean exploration can help predict earthquakes and tsunamis and help us understand how we are affecting and being affected by changes in Earth's environment. Ocean exploration can improve ocean literacy and inspire young people to seek careers in science, technology, engineering, and mathematics. How much of the world is water?
71 percent
Why has only 5 of the ocean been explored?
That is why we map. Only about 5% of the world's seafloor has been mapped in some detail. Since the ocean occupies roughly 70% of the Earth's surface, this leaves approximately 65% of the Earth (excluding dry land) unexplored. That is quite a lot of Earth left to explore! How much money is spent on exploring the ocean each year?
Each year NASA spends $18.7 billion and $209 billion was spent in total on the shuttle program. According to Bob Ballard, Ph. D, an oceanography expert, NASA's one-year budget could fund NOAA's (National Oceanic and Atmospheric Administration) ocean exploration for 1,600 years. How much of the universe have we discovered?
4 percent
How much of the ocean is mapped?
five percent
How much of the ocean is polluted?
Most ocean pollution begins on land Eighty percent of pollution to the marine environment comes from the land. One of the biggest sources is called nonpoint source pollution, which occurs as a result of runoff. 
