2019年1月2日 星期三

Ultima Thule Revealed

New Horizons Reveals Ultima Thule

"The new images -- taken from as close as 17,000 miles (27,000 kilometers) on approach -- revealed Ultima Thule as a "contact binary," consisting of two connected spheres. End to end, the world measures 19 miles (31 kilometers) in length. The team has dubbed the larger sphere "Ultima" (12 miles/19 kilometers across) and the smaller sphere "Thule" (9 miles/14 kilometers across)."



from NASA Watch http://bit.ly/2F3LJyo
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