Multiple Choice
Gravity is a long-range force, and its effect can be seen in each of the following cases EXCEPT ONE. Which is the EXCEPTION?
A) Globular clusters move in orbits about the center of the Milky Way.
B) A recently discovered member of the Local Group, Canis Major Dwarf, a close companion of the Milky Way Galaxy, is being disrupted by tidal forces from the Milky Way.
C) Clusters of galaxies are bound systems.
D) Superclusters of galaxy clusters are bound systems.
Correct Answer:

Verified
Correct Answer:
Verified
Q67: According to the Hubble classification scheme, an
Q68: Which one of the following formulas is
Q69: Even though the Hubble law for galactic
Q70: Scattering by interstellar dust can affect the
Q71: Scattering by interstellar dust can affect the
Q73: Do the shapes of elliptical galaxies really
Q74: In the galaxy cluster 1E0657-56, the dark
Q75: The fundamental plane technique for ellipticals can
Q76: What is the galaxy content of a
Q77: How does the maser technique work in