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What type of galaxy are the two Magellanic Clouds? How do we know this visually?
Q10: Discuss the source of energy for a
Q17: Which of these technological advances would make
Q20: The luminous matter in the universe accounts
Q30: How long ago did multicellular life forms
Q47: The order of evolutionary stages of a
Q48: The presently accepted value of the Hubble
Q49: While examining the spectrum of a galaxy,
Q63: What factors would determine that we live
Q65: How can the size of a quasar
Q75: Most of the mass of the Milky