In 2004 astronomers made a significant discovery that enabled them to test some of the predictions of general relativity. What was this discovery?
A) a neutron star with a mass more than 100 times the mass of the Sun
B) two neutron stars collided with each other
C) a pulsar that was not precessing and, in fact, that aimed its radiation beam directly at Earth
D) two pulsars in orbit around each other
Correct Answer:
Verified
Q199: The periods of MOST pulsars _ with
Q200: How do magnetars form?
A) from strong jets
Q201: What is the origin of millisecond pulsars?
A)
Q202: Fast radio bursts originate from
A) Type Ia
Q203: Fast radio bursts are thought to originate
Q205: The generation of magnetic fields requires both
Q206: What is a supernova impostor?
A) a massive
Q207: Hypernovae are associated with
A) binary neutron stars.
B)
Q208: What are the glitches occasionally observed by
Q209: Eta Carina is a
A) supernova remnant.
B) active
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