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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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Posts: 3450
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8 years ago
Interstellar absorption lines are narrow primarily because:
A) there is very little interstellar matter.
B) the matter is at a low temperature, and atoms are almost still.
C) molecules always produce narrow absorption lines.
D) most of the matter is ionized, and atoms moving fast produce sharp lines.
E) All of the above are correct.
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
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#2
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
wrote...
#3
8 years ago
Happy to help Slight Smile
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