The search for black holes involves searching for
A) single stars that emit large amounts of X-rays.
B) X-ray binaries where the compact companion has a mass in excess of 3 
.
C) large spherical regions from which no light is detected.
D) pulsars with periods less than one millisecond.
E) pulsars that are orbited by planets.
Correct Answer:
Verified
Q31: Unseen objects in our galaxy have been
Q32: If the inner accretion disk around
Q33: The escape velocity at the event horizon
Q34: The material that accretes onto a neutron
Q35: The object left behind after the 1054
Q37: For a point mass equal to that
Q38: Millisecond pulsars that are very old are
A)believed
Q39: A pulsar requires that a neutron star
Q40: The singularity of a black hole
A)is found
Q41: How fast does a pulsar initially spin
A)10
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