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Tsync Tsync
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Posts: 3450
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8 years ago
What made supernova 1987a so useful to study?
A) We saw direct evidence of nickel to iron decay in its light curve.
B) In the Large Magellanic Cloud, we already knew its distance.
C) It occurred after new telescopes, such as Hubble, could observe it very closely.
D) Its progenitor had been observed previously.
E) All of the above are correct.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 186 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
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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