Encounter with Ultima Thule: The Most Distant Object Humanity Has Ever Explored

Oct. 19, 2019 Dr. Jeff Moore (NASA Ames Research Ctr)
After encountering Pluto, the New Horizons spacecraft, for the first time flew by a member of the Kuiper Belt of icy objects beyond Neptune. This particular object, informally named “Ultimate Thule” (meaning the farthest place beyond the known world,) turned out to be a “contact binary” – two smaller icy worlds stuck together. Dr. Moore shares an insider’s view (with great images) of how the mission got there and what we learned at Ultima Thule.

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