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Tsync Tsync
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Posts: 3450
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8 years ago
In comparing first magnitude Deneb with second magnitude Polaris, we find that:
A) Deneb appears 2.5 times brighter to us than does Polaris.
B) Deneb must be much hotter than Polaris.
C) Polaris is in reality much more luminous.
D) Deneb is really much closer than Polaris.
E) Polaris is really 100 times brighter than nearby Deneb.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 239 times
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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
You answered my question so timely, I really value that, thank you
Minoring in physics
wrote...
8 years ago
Message back if you need anything
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