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Planetesimals beyond the orbit of _____ failed to accumulate into a protoplanet because the gravitational field of _____ continuously disturbed their motion.
Q10: Quasars are_.<br>A) spiral galaxies with unusually luminous
Q17: High-mass stars evolve differently than medium-mass stars
Q19: What are the most common type of
Q22: Almost all of the gas and dust
Q32: Define nuclear fusion.
Q36: Almost all geological features on Venus have
Q39: A supermassive black hole erupts when _.<br>A)
Q53: Why are volcanoes so large on Venus
Q62: Which is a characteristic Venus shares with
Q74: What is an accretion disk?