PBS Space Time

Should We Build a Dyson Sphere?

Preview: Season 2 | 10m 14s | Video has closed captioning.

The Kepler telescope recently noticed a strange partial eclipse that some have speculated could be a Dyson Sphere. Are Dyson Sphere's possible? Are they practical? What other alternatives to futuristic energy capture do we have to choose from?

Aired: 12/18/16

Rating: NR

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Problems Playing Video? | Closed Captioning