The Economist -
30 Jul 2015 17:08

This picture of Pluto's atmosphere, backlit by the sun, is a Parthian shot of the place taken on July 15th (but transmitted to Earth a week later) by New Horizons, NASA's probe to the dwarf planet. It is a last, backward glance as the spacecraft hurtles away into the Kuiper belt of frozen asteroids that lies beyond the part of the solar system inhabited by planets. New Horizons' mission has been a revelation. The Pluto it portrays is a russet-pink body of mountains kilometres high, of giant icy ...
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