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Waspie_Dwarf

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Why is Earth so dry?

With large swaths of oceans, rivers that snake for hundreds of miles, and behemoth glaciers near the north and south poles, Earth doesn't seem to have a water shortage. And yet, less than one percent of our planet's mass is locked up in water, and even that may have been delivered by comets and asteroids after Earth's initial formation.

Astronomers have been puzzled by Earth's water deficiency. The standard model explaining how the solar system formed from a protoplanetary disk, a swirling disk of gas and dust surrounding our Sun, billions of years ago suggests that our planet should be a water world. Earth should have formed from icy material in a zone around the Sun where temperatures were cold enough for ices to condense out of the disk. Therefore, Earth should have formed from material rich in water. So why is our planet comparatively dry?

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Edited by Waspie_Dwarf
corrected tags.
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I saw a picture of all the water on earth on a sphere, any truth to it?

Thanks

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I saw a picture of all the water on earth on a sphere, any truth to it?

Thanks

Without knowing what picture you saw, or what information it was conveying, it is impossible to say.

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Looks about right to me.

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Tidy, there was a thing on another site about the math to it.

Thanks for the reply!

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