PBS Space Time

How Do We Know What Stars Are Made Of?

Season 6 Episode 26 | 11m 13s | Video has closed captioning.

Pin-pricks in the celestial sphere, through which shines the light of heaven? Or gods and heroes looking down from their constellations? Or lights kindled above middle earth by Varda Elbereth and brightened with the dew of the trees of Valinor? Science has long pondered the mysteries of the stars. This is how we finally figured them out.

Aired: 11/16/20

Rating: NR

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Problems Playing Video? | Closed Captioning