What is the MOST abundant element in the interstellar medium?
A) carbon
B) helium
C) oxygen
D) hydrogen
Correct Answer:
Verified
Q4: Which of these objects is NOT an
Q5: Which of these methods has NOT yet
Q6: Which of these molecules is likely to
Q7: Most interstellar matter is too cold to
Q8: The light from a distant cloud of
Q10: To detect most interstellar material requires
A) optical
Q11: The light from a distant cloud of
Q12: The Pleiades cluster consists of a number
Q13: The light from a distant cloud of
Q14: How have complex molecules such as formaldehyde
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