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Q: What are 3 specific challenges to making direct measurements in the field of astronomy?
A: The Hubble constant is a fundamental quantity that measures the current rate at which our universe is expanding. It is named after 20th Century Carnegie astronomer Edwin P. [ Hubble, who astonished the world by discovering that our universe has been growing continuously since its inception. Determining the Hubble constant (a direct measurement of the rate of this continuing expansion) is
critical for gauging the age and size of our universe. One of the largest uncertainties plaguing past measurements of the Hubble constant has involved the distance to the Large Magellanic Cloud (LMC), our nearest neighboring galaxy, which orbits our own Milky Way. Read more at: ]
Expert answered|majasalv17|Points 0|
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Asked 6/6/2013 7:51:54 PM
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