Pluto

Very first New Horizons Pluto encounter

The latest images from New Horizons are showing Pluto and Charon to have unique faces, distinct from any other icy worlds in the solar system. New Horizons images have dramatically reduced uncertainty in Pluto's diameter. Stern reported Pluto's radius to be 1185 +/- 10 kilometers, so its diameter is 2370 +/- 20 km. Implications of

Pluto Comes Into Focus In New Horizons Latest Images

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Up till now, 2015 has been a year of historic, ever bigger revelations regarding some of the Solar System’s “lesser bodies”, with ESA’s Rosetta spacecraft returning breath-taking close-up images of comet 67P/Churyumov-Gerasimenko and NASA’s Dawn mission providing stunning views of dwarf planet Ceres in the vast expanses of the asteroid belt between Mars and Jupiter.

NASA missions may re-elevate Pluto and Ceres from dwarf planets to full-on planet status

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Ceres is the largest object in the asteroid belt, and NASA’s Dawn spacecraft will arrive at this dwarf planet on March 6, 2015. Pluto is the largest object in the Kuiper belt, and NASA’s New Horizons spacecraft will arrive at this dwarf planet on July 15, 2015. These two events will make 2015 an exciting