Which object is NOT an abundant physical component of the interstellar medium?
A) atoms and ions
B) molecules
C) dust
D) radioactive elements
Correct Answer:
Verified
Q8: The light from a distant cloud of
Q14: How much of the visible mass of
Q15: The interstellar medium,as usually defined,contains all of
Q17: To detect MOST interstellar material requires:
A) optical
Q18: What are the TWO MOST abundant elements
Q20: Dark nebulae are extreme examples of:
A) interstellar
Q21: In star-forming regions in interstellar space,which molecule
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
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