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The age of the Earth is not known exactly. It's somewhere about 4.54 billion years old. But the ability to support life has been much shorter.

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What is a large crack in the earth formed by a river or earthquake?

A fissure I think, been a long time since I did geography though


When Earth formed gas?

When Earth formed, it was initially composed of gases such as hydrogen, helium, methane, and ammonia. Over time, these gases gradually dissipated into space or were absorbed into the planet's interior. The gases released from the Earth's interior during volcanic activity contributed to the formation of the early atmosphere.


How long do the two movements of the earth last?

The Solar System is about 4.6 billion years old; the Earth formed around that time, and has been orbiting the Sun, and rotating, since then.Note that Earth's rotation has been slowing down over time, due to tidal forces, mainly from the Moon.


What came first the moon or the earth or the stars?

The Stars The Earth came third and moon came second Actually, yes the stars did come first, since matter had combined from the big bang, but the Earth and Moon are tied, since no one knows how the moon formed, we cannot assume what time they appeared.


If a year passes on a ship traveling 60 percent light speed how many years have passed on earth?

For the traveller, the trip takes 1 year, travelling at 60% the speed of light (or 0.6C). This would mean that he will perceive himself as have travelled 0.6 light years (a distance of about 9.46x1012km). To calculate the time that has elapsed on Earth, you can use this simplified equation: Spaceship Time = Earth Time x sqrt[1-(v/c)2] Spaceship Time = Earth Time x sqrt[1-(0.6c/c)2] Spaceship Time = Earth Time x sqrt[1-(0.6)2] Spaceship Time = Earth Time x sqrt[1-0.36] Spaceship Time = Earth Time x sqrt[0.64] Spaceship Time = Earth Time x 0.8 Spaceship Time = 1 year 1 year spaceship = Earth Time x 0.8 Earth Time = 1 year spaceship / 0.8 Earth Time = 1.25 years Thus, after 1 year has passed for the person on the spaceship, 1.25 years have passed on Earth.

Related Questions

What percent of time since earth was formed have humans lived on earth?

When calculated according to the 4.6 billion years since earth was formed humans have live in it 0.09 percent of the time.


What percentage of time has life existed since Earth formed?

it has been for 90%


When did the earth become round?

The Earth never became round. It has always been round in shape since it was formed at the beginning of time.


What is a large crack in the earth formed by a river or earthquake?

A fissure I think, been a long time since I did geography though


What is all the time that has passed since the earth's origin?

Earth is thought to be 4.5-4.6 billion years old.


What is the importance of time in the evolutionary theory?

That there be enough of it for evolutionary processes to take place. Humans have trouble comprehending the deep time that has passed since the formation of the earth.


What percentage of geologic time do humans span?

Humans span roughly 0.0044% (about 4 thousandths of one precent) of the time since the Earth was formed.


Sometime has passed since you last ate dinner at that restaurant Some time has passed since you last ate dinner at that restaurant?

some time


Is The sun going to shoot a beam at the earth?

Yes!!! It does it all the time; it is called 'light'.


If the Earth has revolved exactly once around the Sun since the last time that Samson went to the zoo how much time has passed?

One year is one revolution around the sun.


What year were the oceans formed?

Although time is eternal the measure of time is not. The YEAR is undetermined since it is one of the first things that occurred on earth.


How was quartz formed?

it was formed from extreme pressure for a long time under the earth.