The Surprising Observational Fact About Quasars Is That They Appear

question 65

Multiple Choice

The surprising observational fact about quasars is that they appear to

• A) produce the energy output of greater than 100 galaxies in a volume similar to that of the solar system.
• B) be the largest known structures in the universe, although they produce only modest amounts of energy.
• C) be associated with ancient supernova explosions.
• D) be moving rapidly toward Earth while emitting large amounts of energy.

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Mistakes in the use of language according to the grammar rules of that language.