An astronomer examining a compact object could conclude that it was a black hole if it _____.
A) emits regular pulses of radiation
B) has a defined event horizon that emits X-rays
C) has an accretion disk
D) has a mass greater than 1.4 solar masses
E) has a mass greater than 3 solar masses
Correct Answer:
Verified
Q21: Most of the energy emitted by a
Q22: When viewed from nearby, a black hole
Q23: A stellar core with a mass greater
Q24: In a binary system containing two neutron
Q25: The highest luminosity burst of radiation observed
Q27: Supernova remnants _.
A) always contain pulsars, because
Q28: Pulsars were discovered because they _.
A) provide
Q29: If the Sun was replaced by a
Q30: Matter falling onto a compact object, such
Q31: An X-ray burster occurs in a pulsar
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