NOVA

The Looming Satellite Gap

Clip: Season 40 Episode 6 | 1m 51s  | Video has closed captioning.

We know more about the Earth now than ever before, but that knowledge is in jeopardy as many Earth-observing satellites are nearing the end of their lives.

Aired: 02/28/13

Rating: TV-G

Problems Playing Video? | Closed Captioning

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