PBS Space Time

Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.

Overview Seasons Similar

Created By
Status	Returning Series
Original Name	PBS Space Time
First Air Date	February 11, 2015
Last Air Date	September 4, 2025
Seasons	12
Episodes	415
Episode Runtime	0min
Language	English
Original Language	English
Production Countries	United States of America
Production Companies	PBS Digital Studios Kornhaber Brown
Networks	YouTube

S2025E18

The Most Important Satellite You’ve (Probably) Never Heard Of

One of the most important reasons we go to space is to know our own planet better. Today I'm going to tell you about an orbiting facility that literally watches Earth's biosphere breath and grow and die with incredible resolution. I'll talk about its profound existential and economic importance, and about why it's in danger of being lost.

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