Supermassive black holes are believed to be located at the center of many galaxies because a.the rotation curve of the galaxy indicates that 90 percent of the galaxy is dark matter. b.the orbital motion of material near the center is very fast and indicates a very massive core. c.the shape of the bulge in all spiral galaxies can only be supported by a supermassive black hole. d.the spiral structure requires a black hole to maintain the spiral arms. e.the orbital speeds of a globular clusters in the galaxy are greater than the speed of light.

Supermassive black holes are believed to be located at the centre of many galaxies, not because the…

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9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Supermassive black holes are believed to be located at the center of many galaxies because

	a.	the rotation curve of the galaxy indicates that 90 percent of the galaxy is dark matter.
	b.	the orbital motion of material near the center is very fast and indicates a very massive core.
	c.	the shape of the bulge in all spiral galaxies can only be supported by a supermassive black hole.
	d.	the spiral structure requires a black hole to maintain the spiral arms.
	e.	the orbital speeds of a globular clusters in the galaxy are greater than the speed of light.