When looking at the space between stars, what might you see?
A) Nothing; it is empty.
B) spacecraft
C) gas
D) dark matter
E) none of the above
Correct Answer:
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Q15: We observe neutral hydrogen gas using 21-cm
Q16: The average density of the interstellar medium
Q17: When a molecular cloud fragments and stars
Q18: Herbig-Haro objects are almost always found in
Q19: If you wanted to observe heavy elements
Q21: Sitting in a 100°F hot tub feels
Q22: What is the most likely explanation for
Q23: Interstellar clouds are:
A) hydrogen gas, condensed out
Q24: "Weather" in the interstellar medium is produced:
A)
Q25: The red emission in the photo below
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