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Tsync Tsync
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Posts: 3450
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8 years ago
The look-back time of an object is directly related to its:
A) size.      B) composition.      C) distance.      D) mass.      E) luminosity.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 326 times
3 Replies
Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
wrote...
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
8 years ago
Happy to help Slight Smile
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