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____ are small dark nebulae less than 1 parsec in diameter that contain 10 to 100 solar masses.
End of Year
Refers to the conclusion of an accounting period, typically marking the close of the fiscal or calendar year, used to compute finances and taxes.
Q12: A _ is used to produce and
Q15: _ is a description of the Ptolemaic
Q23: An accretion disk can grow hot enough
Q24: The high _ of quasars reveals to
Q29: The cosmic microwave background radiation was released
Q39: Why is the cosmic microwave background (CMB)so
Q44: A galaxy which has a close encounter
Q48: The lowest amount of solar energy per
Q53: The disk of our galaxy consists of<br>A)
Q71: The apparent visual magnitude of a star