Scientists believe asteroid may be remains of an early planet’s core, and could shed light on inaccessible centers of rocky planets
Nasa’s Psyche spacecraft rocketed away Friday on a six-year journey to a rare metal-covered asteroid.
Most asteroids tend to be rocky or icy, and this is the first exploration of a metal world. Scientists believe it may be the battered remains of an early planet’s core, and could shed light on the inaccessible centers of Earth and other rocky planets.
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