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jithu1984Best ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Cosmic_distance_ladder
 2 years ago

jithu1984Best ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Distance_measures_%28cosmology%29
 2 years ago

VegaBest ResponseYou've already chosen the best response.0
This is not a biology question
 2 years ago

aaragyaBest ResponseYou've already chosen the best response.0
http://curious.astro.cornell.edu/question.php?number=400 i hope dis site will help u sir..
 2 years ago

MariaCarmelleBest ResponseYou've already chosen the best response.0
LIGHT TRAVEL DISTANCE (LTD)
 2 years ago
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