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
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.
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
NASA’s New Horizons spacecraft returned its first new images of Pluto on Wednesday, as the probe closes in on the dwarf planet. Although still just a dot along with its largest moon, Charon, the images come on the 109th birthday of Clyde Tombaugh, who discovered the distant icy world in 1930. “My dad would be