If Jules Verne were alive, he'd raise a toast. In a twist on his notion to journey to the centre of the Earth, a proposed spacecraft may get to visit the core of a proto-planet that was long ago stripped of its rocky outsides and cast adrift in the solar system.
Asteroid 16 Psyche was discovered in 1852, but it was not until the 1980s that it was recognised as an oddball. Radar observations made from Earth revealed that Psyche is about 200 kilometres across and is made of 90 per cent iron and nickel, with 10 per cent silicate rock.
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