Street-Fighting Physics! - Professor Kevin Kimball, BS, U.S.N.- retired
UNIVERSE
A JOURNEY FROM EARTH TO THE EDGE OF THE COSMOS
 
 
(Pay close attention to the distances expressed in terms of the speed of light)
 
 
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Universe: Journey from Earth to the Edge of the Cosmos
"If we spend time in it [the vast spaces of nature], they may help us to accept more graciously the great, unfathomable events that molest our lives and will inevitably return us to dust." (Alain de...
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