How do we know the earth is 4.6 billion years old?

How do we know the earth is 4.6 billion years old?

By dating the rocks in Earth’s ever-changing crust, as well as the rocks in Earth’s neighbors, such as the moon and visiting meteorites, scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.

What part of the Earth is unexplored?

Antarctica is a continent that’s mostly uninhabited and filled with unexplored areas. Most scientists and researchers who spend time in Antarctica inhabit areas around research stations because the extreme landscape is largely unlivable.

How much of the ocean have we explored so far?

Even though humans have explored and mapped large parts of the planet Mars and the moon in outer space, only a small part of the oceans of the world have been explored till now. It is said that humans have managed to explore only about 5\% of the ocean floor.

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Are there any places on Earth that are yet to be discovered?

Discovery is related to things which are already there but yet to be found so I can say yes there are places on earth which are yet to be discovered. 1- There are around 8.7 million species on earth of which 80 percent are undiscovered. 2-We know only 5 percent about oceans.

How much of the ocean is still undiscovered?

More than eighty percent of our ocean is unmapped, unobserved, and unexplored. Much remains to be learned from exploring the mysteries of the deep. From mapping and describing the physical, biological, geological, chemical, and archaeological aspects of the ocean to understanding ocean dynamics, developing new technologies,…

How far have scientists explored the universe?

Space exploration is much newer, yet, it seems scientists have made more progress. In space, we can see out great distances, and using powerful telescopes scientists can make discoveries about the vast universe around our solar systems. To date, scientists have explored about 4 percent of the visible universe.

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