Dwarf Planets
Our Highest Resolution Views Yet of Pluto’s Surface
The New Horizons spacecraft has been slowly sending back all the images and data it gathered during its July flyby…
New Dwarf Planet is Most Distant Object Yet Observed in our Solar System
It has been estimated that there may be hundreds of dwarf planets in the Kuiper belt and Oort Cloud of…
A New “Mathematical” Definition Proposed for What Constitutes a Planet
In the current (heated) debate of what constitutes a planet, it seems everyone can agree at least one thing: The…
Dawn Starts Steep Descent to Most Dazzling Orbit of Ceres
The most dazzling views ever seen of dwarf planet Ceres and its mysterious bright spots are what’s on tap by…
Thousands of Pits Punctuate Pluto’s Forbidding Plains in Latest Photos
A brand new batch of Pluto and Charon photos showed up today on the New Horizons LORRI (LOng-Range Reconnaissance Imager)…
Scientists Tantalized as Dawn Yields Global Mineral and Topographic Maps of Ceres
Slowly but surely the mysteries of dwarf planet Ceres are being peeled back layer by layer as NASA’s Dawn spacecraft…
10 Years of Haumea
Remember the neat tidy solar system of the 20th century? As a child of the 1970s, we remember orderly planets,…
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Do Ceres Bizarre Bright Spots Seen in Dazzling New Close Ups Arise from ‘Water Leakage’? Dawn Science Team Talks to UT
This image, made using images taken by NASA's Dawn spacecraft during the mission's High Altitude Mapping Orbit (HAMO) phase, shows…
The Dwarf Planet Quaoar
Quaoar, a dwarf planet that orbits within the Kuiper Belt, was discovered in 2002 by astronomers from Caltech. Like the…
Ceres’ “Pyramid” Gets a Closer Look, But Bright Spots Remain a Mystery
The Dawn spacecraft is now orbiting just 1,470 kilometers (915 miles) above Ceres’ surface, and the science team released these…