Black holes that are stellar remnants can be found by searching for:
A) dark regions at the centers of galaxies
B) variable X-ray sources
C) extremely luminous infrared objects
D) objects that emit very faint radio emission
E) regular, repeated pulsations at radio wavelengths

Question

Quizplus · Accepted Answer

Stellar black holes are often observed as variable X-ray sources due to the accretion of matter onto them from a companion star, which releases X-ray radiation. Other options listed do not specifically relate to the detection of stellar black holes.

Black Holes That Are Stellar Remnants Can Be Found by Searching