Monday, July 11, 2011
Star A has an apparent magnitude of 7.2 and an absolute magnitude of 3.4. Star B has an apparent magnitude of?
Star A has an apparent magnitude of 7.2 and an absolute magnitude of 3.4. Star B has an apparent magnitude of -0.5 and an absolute magnitude of 8.9. Which star is more luminous? Which star is farther away from Earth? Explain your reasoning.
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