Earth’s water source a mystery as Rosetta challenges comet theory

via Earth’s water source a mystery as Rosetta challenges comet theory | The National.

WASHINGTON // Early results from the Rosetta spacecraft have challenged a long-held theory that comets delivered water to Earth.

In August, the European Space Agency’s probe became the first spacecraft to put itself in orbit around a comet.

Since then, Rosetta has been closely examining 67P/Churyumov-Gerasimenko, a comet of the variety that some scientists thought could have brought water to our planet four billion years ago.Screen Shot 2014-12-11 at 10.55.43 AM

Now I don’t want you guys to start digging all up in my panties trying to find any more water on me!  Use the stuff you’ve got and stop being so nosey.  Do you mind? A little privacy is all.

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