A black hole is _____.
A) an object so dense that light cannot escape its surface
B) a neutron star that has exceeded the Chandrasekhar limit
C) a theoretical model that has never been observed
D) an observed object that is not well understood
E) the result of a neutron star merger
Correct Answer:
Verified
Q33: The jets emitted by compact objects are
Q34: The first confirmed black hole, Cygnus X-1,
Q35: Millisecond pulsars _.
A) are created in supernova
Q36: Pulsar planets are _.
A) huge gas planets
Q37: Astronauts approaching a black hole would observe
Q39: Gas falling into a black hole:
A) is
Q40: Most pulsars _.
A) speed up their rotation
Q41: The _ model explains pulsars using beams
Q42: A star with a mass of 10
Q43: Extremely old pulsars that have experienced large
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