How many times brighter is a cepheid variable of absolute
How many times brighter is a Cepheid variable of absolute magnitude 3 than a white dwarf of absolute magnitude +7? The Virgo cluster has a distance of 17 Mpc. Using Hubble's Law, determine the recessional velocity to this cluster.
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how many times brighter is a cepheid variable of absolute magnitude 3 than a white dwarf of absolute magnitude 7 the
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a galaxy cluster in ursa major has a recessional velocity of 15000 kms using the best estimate for hubbleamp39s
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