Related topics: earth · nasa · orbit · solar system · mars

The Earth and Moon formed later than previously thought

The Earth and Moon were created as the result of a giant collision between two planets the size of Mars and Venus. Until now it was thought to have happened when the solar system was 30 million years old or approx. 4,537 ...

First measurement of magnetic field in Earth's core

(PhysOrg.com) -- A University of California, Berkeley, geophysicist has made the first-ever measurement of the strength of the magnetic field inside Earth's core, 1,800 miles underground.

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