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Evidence Of Planet That Formed Moon May have been Found In Rock Samples

posted by martyb on Friday June 06 2014, @01:52PM   Printer-friendly
from the theory-of-theia dept.

lhsi writes:

The BBC has a report that evidence has been found in lunar rock samples of a planetismal (called Theia) that was thought to have crashed into the Earth to form the Moon. The conclusion is based on a difference in oxygen isotope ratios detected in lunar rock samples returned from the Apollo space missions versus terrestrial samples.

The report is published in the journal Science [abstract]; report is paywalled.

 
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  • (Score: 3, Interesting) by TrumpetPower! on Saturday June 07 2014, @12:42AM

    by TrumpetPower! (590) <ben@trumpetpower.com> on Saturday June 07 2014, @12:42AM (#52468) Homepage

    Liquidity is not required. Ever see a landslide? Even just a few pebbles rolling down a slope? That's the Earth's gravity causing the Earth to become even more spherical. Similar processes would work equally well to shape anything massive enough into something basically spherical.

    b&

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