In star-forming regions in interstellar space,which molecule is the easiest to detect?
A) ammonia (NH₃)
B) hydrogen (H₂)
C) formaldehyde (H₂CO)
D) carbon monoxide (CO)
Correct Answer:
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Q8: The light from a distant cloud of
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A) optical
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Q20: Dark nebulae are extreme examples of:
A) interstellar
Q22: How is gas distributed in interstellar space?
A)
Q23: When looking for molecular hydrogen,astronomers actually look
Q24: Which important atomic or molecular species is
Q25: What fraction of the mass of a
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