Hypervelocity impact experiments shed new light on the composition and evolution of the largest dwarf planet's little-known surface.
asteroids
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Finding Debris Clouds Around Asteroids Headed Our Way
Small spikes in the solar system's magnetic field may help scientists detect overlooked and possibly dangerous debris clouds around near-Earth asteroids.
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Dawn Spacecraft Enters into Orbit Around Dwarf Planet Ceres
A 16-month investigation of the dwarf planet Ceres could reveal a lot about the most massive body in the asteroid belt and could advance our understanding of the formation of terrestrial planets.
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Group Calls for More Focus on Potentially Hazardous Asteroids
A declaration from astronauts, scientists, and others calls for dramatically increasing the detection and tracking of potentially hazardous near-Earth objects.