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What observational evidence do we have that black holes exist
Q2: {(8, -6), (6, -5), (4, -4), (2,
Q13: (7.7, -1.5)and (2.7, 1.2)<br>A) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt="(7.7,
Q37: An M star is hotter than an
Q38: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8306/.jpg" alt=" A)
Q58: The theory that the collapse of a
Q59: Explain what keeps the nuclear reactions in
Q88: Why don t all supernova remnants contain
Q90: A(n) _ is a subatomic particle produced
Q101: Elliptical galaxies are primarily made up of
Q126: The sun will eventually become a supernova.