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…in reply to @grhmc
grhmc
I guess this is a contest or something, but WolframAlpha is good at this (-:
wolframalpha.com/input/?i=%28diameter+of+pluto%29+%2F+%28diameter+of+moon%29+*+5
(Earth is irrelevant)
neiltyson
On twitter.com
2014 Mar 8
Mood +
3
🙂