Space's Deepest Secrets - Behind the Scenes at NASA's Greatest Missions

Behind the Scenes at NASA's Greatest Missions

Length: 19:16

Description: A new look inside NASA's most groundbreaking missions reveals how engineers and scientists pushed the limits of exploration. Experts revisit the triumphs of early spaceflight, break down Cassini's dramatic plunge into Saturn, uncover the hidden story behind the Juno mission, and explore the innovations that keep Hubble delivering jaw-dropping discoveries.

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How the Universe Works - Supernovas, the Universe's Ticking Time-Bombs

Supernovas, the Universe's Ticking Time-Bombs

Length: 8:47

Description: Our galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.