A(n) _________ is a collection of 105 to 106 stars in a region 10 to 30 pc in diameter. The stars in the collection tend to be more than 109 years old and mostly yellow and red stars.
A) Herbig-Haro object
B) globular cluster
C) open cluster
D) giant cluster
E) supernova
Correct Answer:
Verified
Q3: The Crab nebula is
A)a planetary nebula.
B)a Bok
Q14: Which of the following nuclear fuels does
Q15: Mass is transferred from a normal star
Q15: If the stars at the turnoff point
Q16: In the diagram below, which point indicates
Q21: About how long will a 0.5-
Q24: A planetary nebula has a radius of
Q25: Synchrotron radiation is produced
A)in planetary nebulae.
B)by red
Q36: The Algol paradox is explained by considering
A)the
Q37: Synchrotron radiation is produced by
A)objects with temperature
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