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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
An object in the sky brightens suddenly, but shows no hydrogen lines in its spectrum. It is most likely a(n):
A) comet.
B) type I supernova.
C) type II supernova.
D) stellar collision.
E) asteroid impact.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 547 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
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#2
8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
wrote...
#3
8 years ago
Message back if you need anything
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