Which characteristic is not generally true of a starburst galaxy?
A) The observed features that cause us to classify it as a starburst must be only temporary phenomena in the galaxy's history.
B) The observed features of the starburst are thought to be caused by the presence of a supermassive black hole in the galaxy's center.
C) Supernovae occur so frequently that their effects combine to drive a galactic wind that blows material into intergalactic space.
D) Its rate of star formation is many times higher than the rate of star formation in the Milky Way.
Question 2
The apparent magnitude of the Sun is -26, while Sirius has an apparent magnitude of -1. How much brighter does the Sun appear than Sirius?
What will be an ideal response?
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