311P/PanSTARRS
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311P/PanSTARRS, also known as P/2013 P5, is an active asteroid and Encke-type comet discovered by Bryce T. Bolin using the Pan-STARRS telescope on 27 August 2013. Observations made by the Hubble Space
Comet 311P/PanSTARRS imaged by the Hubble Space Telescope on 10–23 September 2013
Hyakutake Color
Two Brown Dwarfs in Our Backyard
2013 Chelyabinsk meteor trace
Asteroid belt
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The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, i
By far the largest object within the belt is the dwarf planet Ceres. The total mass of the asteroid belt is significantly less than Pluto's, and roughly twice that of Pluto's moon Charon.
In 1596, Johannes Kepler's sense of proportion for the planetary orbits led him to believe that an undiscovered planet lay between the orbits of Mars and Jupiter.
Giuseppe Piazzi, discoverer of Ceres, the largest object in the asteroid belt: Ceres was known as a planet, but later reclassified as an asteroid and from 2006 as a dwarf planet.
951 Gaspra, the first asteroid imaged by a spacecraft, as viewed during Galileo's 1991 flyby; colors are exaggerated