The Virgo cluster
a. is the galactic cluster that contains the Milky Way.
b. is the oldest known cluster of galaxies.
c. is located at the center of the universe.
d. contains mostly spiral galaxies and very few elliptical galaxies.
e. is a rich cluster and the closest cluster of galaxies outside of the Local Group.
Question 2
T Tauri stars are in hydrostatic equilibrium.
a. True
b. False
Indicate whether the statement is true or false