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Clip: Season 46 Episode 1 | 1m 45s
NASA's New Horizons spacecraft is about to visit the most distant object ever explored by humans.
Aired: 01/02/19
Video has closed captioning.
Days Before Flyby, Ultima Thule Still Mysterious
Ultima Thule is Surprisingly Flat
This discovery could have a big effect on how scientists think about planet formation.
The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
Ultima Thule Comes Into Focus as New Images Reveal Secrets
NASA scientists received the most detailed images from its spacecraft, New Horizons.
New Horizons Makes Historic Flyby on New Year's Day
The New Horizons spacecraft made history by conducting the farthest ever flyby.
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.
Join scientists as they grab light from across the universe to prove quantum entanglement.
