Earth

02.28.18
The moon may have formed inside the early Earth
02.28.18 in

The moon may have formed inside the early Earth

It's based on a theory that suggests our planet was "a giant donut of vaporized rock."

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09.13.17
Mars has a less dense crust than astronomers thought
09.13.17 in

Mars has a less dense crust than astronomers thought

Understanding the crust provides important information about the planet’s evolution.

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