The search for black holes involves
A) searching for single stars that emit large amounts of x-rays.
B) finding x-ray binaries where the compact companion has a mass in excess of 3.
C) searching for large spherical regions from which no light is detected.
D) looking for pulsars with periods less than one millisecond.
Correct Answer:
Verified
Q1: None of the pulsars emit visible light
Q2: What is the escape velocity from the
Q3: Cygnus X-1 and LMC X-3 are black
Q4: A rotating black hole
A) will produce a
Q5: A neutron star is expected to spin
Q7: At extremely high densities and temperatures,electrons can
Q8: The density of a neutron star is
A)
Q8: The event horizon
A)is believed to be a
Q9: A pulsar requires that a neutron star
Q10: Although neutron stars are very hot,they are
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