Mission to a mysterious dwarf planet

March 6, 2015 5:40 AM

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. Its destination is also pure Hollywood: a pockmarked world with a frozen subterranean sea and perhaps a few geysers.

But this is no movie. The ship is NASA's Dawn spacecraft, which has scudded smoothly through the solar system for 7-1/2 years on its enormous wing-like solar panels. On Friday at roughly 7:20 a.m. ET, it will slip into orbit around a mini-planet named Ceres, which lies in the asteroid belt between M...

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