Astronomers call a ball of matter that is contracting to become a star
A) a Herbig-Haro object
B) a giant molecular cloud
C) a planet
D) a protostar
E) a main sequence star
Correct Answer:
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Q14: Which of these stars will take the
Q15: The Orion Nebula is
A) a distant galaxy
Q16: You are an astronomy graduate student and
Q17: What technique did astronomers use to make
Q18: A Herbig-Haro (HH) object is
A) a small
Q20: Astronomers believe that disks of material will
Q21: With our current techniques, astronomers can typically
Q22: How did astronomers determine that the planet
Q23: Planets in the habitable zone of their
Q24: The closest star to the Sun, Proxima
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