Which of the following is evidence of the existence of interstellar dust?
A) extinction of visual light from more distant stars
B) infrared radiation emitted from between the stars
C) reddening of visual light from more distant stars
D) dark clouds seen againts the Milky Way
E) all of the above
Correct Answer:
Verified
Q21: _ require(s)that a young hot star
Q23: Which of the following is evidence of
Q24: _ is(are)believed to be produced by supernova
Q25: Stars are born in
A)reflection nebulae.
B)dense molecular clouds.
C)HII
Q27: _ is(are)believed to make up 50 percent
Q28: Coronal gas
A) causes stars to look bluer
Q29: The emission lines from O III are
Q30: What property of blue light allows it
Q31: What type of radiation is emitted when
Q100: Molecular clouds are mapped using CO instead
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