Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 37
Natural Sciences 12

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Ep. 279: The Hubble Constant

November 5th, 2012

Episode 313 of 489 episodes

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.

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