Multiple Choice
A starlike object seen on deep sky photographs coincides with an intense radio source and has a spectrum in which the characteristic Lyman pattern of hydrogen spectral lines has been shifted from the ultraviolet to the visible spectral range. What is this object?
A) quasar
B) pulsar
C) supernova explosion
D) black hole
Correct Answer:
Verified
Correct Answer:
Verified
Q71: Quasars were originally thought to be stars
Q72: Quasars typically appear to be<br>A) extremely massive
Q73: Which of these would NOT necessarily be
Q74: Faint starlike objects producing intense radio energy
Q75: The specific characteristics that identify MOST quasars
Q77: Which observation of quasars convinced astronomers that
Q78: Suppose the X-ray signal from a quasar
Q79: Massive black holes have been discovered in
Q80: What is now considered to be the
Q81: The major surprise about Cygnus A, one