Ultima Thule: snowman-shaped space rock is actually 'flat like a pancake'

New photos give fresh perspective on the cosmic body and raise questions about how it was formed

The faraway space snowman visited by Nasa last month has a surprisingly flat — not round — behind.

New photos from the New Horizons spacecraft offer a new perspective on the small cosmic body 4bn miles (6.4bn km) away. The two-lobed object, nicknamed Ultima Thule, is actually flatter on the backside than originally thought, according to scientists.

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