The 170-Year Search for a Planet Beyond Neptune
Clip: Season 46 | 2m 29s
Planet Nine’s existence is not the first time astronomers have predicted a planet they couldn’t see. Clyde Tombaugh was looking for Planet X when he accidentally found Pluto. After Voyager 2 flew by Neptune in 1989, new calculations determined there was no Planet X. But three years ago, a disturbance was detected at the far reaches of the Solar System.
Aired: 06/10/19 |
Artificial Intelligence is Helping Get the Lead Out of Flint
Clip: S46 | 6m 32s
The Science Behind This Sleight of Hand
Clip: S46 | 46s
Astronomers Photograph 2 Newborn Planets for the First Time
Clip: S46 | 2m 41s
Decoding da Vinci
S46 Ep21 | 53m 31s
Why Bridges Collapse
S46 Ep18 | 53m 9s | WETA Passport
Back to the Moon
S46 Ep11 | 53m 39s
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