Astronomers Always Work In The...

Astronomers always work in the past; because light takes time to move from one place to another, they see things as they were, not as they are.
Astronomers always work in the past; because light takes time to move from one place to another, they see things as they were, not as they are. - by Neale E. Howard, The Telescope Handbook and Star Atlas, 1967
Last Reviewed: Jan 6, 2017
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