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Episode 138: Orion Nebula Closer Than Thought

Play Jan 3•4:27

The Orion Nebula is 300 light-years closer to Earth than previously thought. Radio telescopes have obtained the most precise measure ever of distance to this giant star-forming region. Because the distance to the Nebula is shorter than expected, the stars in the nebula must also be less bright than we believed, and thus older. Space.com report on the measurement.

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