51动漫

Space

Ultima Thule is a snowman-shaped rock covered in weird ice

By Leah Crane

2 January 2019

Ultima Thule

Strange snowman

NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

We鈥檝e just gotten our first good look at a tiny, distant world called 2014 MU69. The small space rock, nicknamed Ultima Thule or simply MU69, is 6.6 billion kilometres away, making it the most distant object we鈥檝e ever explored.

Early on New Year鈥檚 Day, NASA鈥檚 New Horizons spacecraft hurtled past MU69,聽passing within 3500 kilometres of the small rock鈥檚 surface at a speed of 14 kilometres per second, taking a flurry of pictures and science data as it passed.

The first pictures, taken shortly…

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