What’s 4x longer than the Grand Canyon and twice as deep?

NASA reveals best photos yet of Pluto’s jumbo moon Charon

Aloha – Charon, the moon of Pluto that is nearly half as large as the planet itself boasts the Grander Canyon.  Along it’s equator are several large canyons, the largest of which is in fact four times longer than the Grand Canyon and twice as deep.  The moon itself looks and feels a bit worn out.  It looks a bit like a soccer ball with a slow leak that has seen too many goals, or perhaps a better comparison is how much it looks like the last marshallow I roasted over an open flame.  With all the attention for “The Martian” release I thought getting back to Pluto today could lend us a reality check… although free flowing water on Mars still holds my attention.

Doc

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