Online Exhibit - 2015: The Year of the Dwarf Planets

Just in Time for the July 14 New Horizons Spacecraft Flyby of Pluto: 2015: The Year of the Dwarf Planets Online Exhibit

The NASA/USGS Regional Planetary Information Facility and USGS Astrogeology Science Center are proud to announce an online animated timeline celebrating our expanding knowledge of Ceres and Pluto, the first worlds designated as dwarf planets and the first dwarf planets to be visited by spacecraft. The timeline spans more than 250 years of astronomy and spaceflight discovery. To explore "2015: The Year of the Dwarf Planets," please follow this link.