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Hamlet53 · 04-22-2013, 12:10 PM

light year = ~186,000 mi/s x 60x60x24x365 = ~ 5.9 x 10^12 miles?

1 parsec = 2.1 light year?

AU = mean distance between sun an earth?

04-22-2013, 12:10 PM	#11742
Hamlet53 Nameless Being	light year = ~186,000 mi/s x 60x60x24x365 = ~ 5.9 x 10^12 miles? 1 parsec = 2.1 light year? AU = mean distance between sun an earth?