Quasars were originally thought to be stars in our Galaxy.However,all of their properties listed below were unusual for an ordinary star EXCEPT ONE.Which property was the exception?
A) They were dim in the visible part of the spectrum.
B) They were very energetic in the radio part of the spectrum.
C) Their spectra were dominated by emission lines rather than absorption lines.
D) Their spectra showed patterns which were, at first, unrecognizable.
Correct Answer:
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Q21: The distance to the bright quasar 3C
Q22: Quasars are
A) sources of great energy, very
Q28: The extreme redshifts of quasar spectra are
Q51: Compared with the total output of energy
Q381: "It is starlike in appearance,showing very high
Q382: Quasars:
A) are more common in nearby clusters
Q388: The nearest quasar is:
A) in the Milky
Q389: Quasars emit significant amounts of radiation from
Q390: The fact that quasars can be detected
Q391: The highest recession velocities that have recently
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