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.
B
You might also like to view...
Vector = 4.0 m points eastward and vector = 3.0 m points westward. The resultant vector + is given by
A) 7.0 m east. B) 7.0 m west. C) 1.0 m east. D) 1.0 m west. E) 3.5 m west.
How much heat is required to raise the temperature of 2.00 moles of an ideal monatomic gas by 10 C° at constant volume? (R = 8.31 J/mol ? K)
A) 249 J B) 416 J C) 208 J D) 200 J E) 125 J
The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as
A) 0.7 m2. B) 0.68 m2. C) 0.682 m2. D) 0.6818 m2. E) 0.68175 m2.
What is a major selecting factor for astronomers looking to place a telescope atop a mountain?
a. non-turbulent airflow b. percentage of tree-coverage c. amount of precipitation d. the country it is located within e. the economics of the location