Examlex
More massive stars are _________ luminous and __________ than less massive stars, thus they pulsate _____________.
Q16: A planet is much brighter than the
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Q49: Synchrotron radiation occurs when high-speed electrons move
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Q74: Cygnus X-1 and LMC X-3 are black
Q108: HII regions are found near stars cooler
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Q127: If Hubble's constant is taken to be
Q163: How do absolute visual magnitude and luminosity