Sunday, November 25, 2012

Hubble Constant on Astronomy Cast

When Edwin Hubble observed that distant galaxies are speeding away from us in all directions, he discovered the reality that we live in an expanding Universe. Hubble worked to calculate exactly how fast this expansion is happening, creating the Hubble constant - which astronomers continue to refine and reference in their research.



Astronomy Cast Ep 279 Hubble Constant

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