Galactic cannibalism refers to
a. binary galaxies.
b. the merging of galaxies.
c. galaxies drawing in gas from the intergalactic medium.
d. the destruction of a galaxy's globular clusters by the galaxy's nucleus.
e. None of the other choices are correct.
Question 2
Pre-main-sequence stars are above and to the right of the main sequence.
a. True
b. False
Indicate whether the statement is true or false