An elliptical galaxy could
a. evolve into an irregular galaxy when it has used up all of its gas and dust.
b. be formed from the collision and merger of spiral galaxies.
c. evolve from a single spiral galaxy when the spiral has used up all of its gas and dust.
d. become a starburst galaxy if it were to move through the hot intergalactic medium of a cluster.
e. evolve from an S0 galaxy if the S0 galaxy were to increase its rotation rate.
b
You might also like to view...
The temperature of the photosphere of the Sun is closest to:
A. 600000 K B. 100 K C. 107 K D. 106 K E. 6000 K
Which of the following is true of P waves?
A) They travel slower than S waves. B) They travel like sound waves. C) They are transverse. D) They are inelastic.
A wire is carrying current vertically downward. What is the direction of the force due to Earth's magnetic field on the wire?
A) horizontally towards the north B) horizontally towards the south C) horizontally towards the east D) horizontally towards the west E) vertically upward
Entropy is a measure of order. The more order there is, the higher the system's entropy
Indicate whether the statement is true or false