The Observed Evidence We Have for Black Holes Includes

Multiple Choice

The observed evidence we have for black holes includes

A) visible light that is thought to come from the center of a black hole.
B) stars near the center of our galaxy that are being pulled inward and disappearing due to a very massive but small object in the center.
C) stars near the center of our galaxy that are moving so fast that they must be held in orbit by a massive black hole.
D) observations of certain regions of space, larger than the largest known stars, but that emit no light.
E) X-rays that are thought to come from the center of a black hole.