NOVA.

NOVA

Ancient Earth: Birth of the Sky

Animation and science experts reveal how the blue sky came to be. (60 minutes)

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UPCOMING EPISODES

Wed, 1/15 at 7:00 am on Austin PBS WORLD

Black Hole Apocalypse

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Wed, 1/15 at 8:00 pm on Austin PBS HDTV

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Thu, 1/16 at 2:00 am on Austin PBS HDTV

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Sun, 1/19 at 4:00 am on Austin PBS HDTV

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Sun, 1/19 at 5:00 pm on Austin PBS HDTV

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Tue, 1/21 at 6:00 pm on Austin PBS WORLD

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Tue, 1/21 at 11:00 pm on Austin PBS WORLD

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)

Wed, 1/22 at 7:00 am on Austin PBS WORLD

Black Hole Universe

Astrophysicist Janna Levin explores black hole science. (60 minutes)