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Earth is the third planet from the sun, the fifth largest and the densest of eight planets in the Solar System. It is sometimes called the world, the Blue Planet or by its Latin name, Terra.
Home to millions of different species, including humans, Earth is the only place in the Universe where life is known to exist.
The planet formed 4. 6 billion years ago (Earth's moon was formed 4.5 billion years ago), and life appeared on its surface within a billion years ago.
Scientists have been able to reconstruct detailed information about the planet's past.
30% of Earth is terrain (land), and 70% of it is water from the Ocean, lakes etc.
Earth is made out of the following Chemical elements:
- oxygen 46.6 %
- aluminum 8.1
- iron 5
- sodium 2.8
- magnesium 2.1
- calcium 3.6
- potassium 2.6
- Silicon 27.7
Other 1.5
Earth weighs six sextillion tons. That is six with 21 zero's after it, so it would look like 6,000,000,000,000,000,000,000!
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoDid you know that the Earth is the only planet out of the eight which is not named after a Roman or Greek god? Not much fun I know, but a good one to impress your friends with.
Wiki User
∙ 12y agoearth has two moons
Wiki User
∙ 12y agoIt's called Earth.
Wiki User
∙ 13y agoearth is the only planet that has life
Wiki User
∙ 13y agoIs round
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What are facts about comets and asteroids?
Well, some asteroids have small moons, and comets are the size of Earth mountains.
Does it take a short time or a long time for the earth to cool?
The Earth formed 4.6bn years ago, and the temperature of the core is currently 5200°c, and it's projected to go cold in something like 90bn years time, which is irrelevant as the Sun will turn into a Red Giant in around 5bn years time, engulfing the Earth and completely destroying it, so to answer your question, it takes a VERY long time for the Earth to cool down- so long in fact, that it will actually NEVER cool down.
How does the earth cool down during night?
Heat (infra red radiation) radiates into space at night, cooling the earth.
Does earth reflected light on moon is same cool as moon reflected light?
no
Was nasas cool suit changed when it was adapted for use on earth?
Short answer: No. Long answer: No it was not.
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he was cool
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John Glenn was the first U.S.Marine to orbit the Earth ; more cool facts at the link below .
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it is cool.
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