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What evidence did probes to Mars find that makes it a prime candidate for life?
Q9: After the decoupling, the universe was to
Q14: To a large degree, the has replaced
Q14: In addition to the proper chemistry, it
Q24: Increasing the temperature of a blackbody by
Q27: Explain the basic principle behind the VLA.
Q39: As a radio source, the period of
Q50: With a prime focus reflector, why is
Q76: Virgo A (M87) is probably a dead
Q81: Shapley found the globular clusters were strongly
Q89: Which factor in the Drake equation is