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Nine Radar Images of Asteroid 2007 PA8
Nine Radar Images of Asteroid 2007 PA8

A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13, 2012.
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NASA Radar Images Asteroid 2007 PA8
NASA Radar Images Asteroid 2007 PA8

Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have obtained several radar images depicting near-Earth asteroid 2007 PA8.
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Scientists Monitor Comet Breakup
Scientists Monitor Comet Breakup

The Hergenrother comet is currently traversing the inner-solar system.
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Asteroids
Asteroid Belts at Just the Right Place are Friendly to Life

Solar systems with life-bearing planets may be rare if they are dependent on the presence of asteroid belts of just the right mass.
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Dawn
Dawn Sees 'Young' Surface on Giant Asteroid

Like a Hollywood starlet constantly retouching her makeup, the giant asteroid Vesta is constantly stirring its outermost layer to present a young face.
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New Horizons
At Pluto, Moons and Debris May Be Hazardous to New Horizons Spacecraft Aims to Steer Clear of 'Debris Zones' During 2015 Flyby

As New Horizons has traveled through space, its science team has become increasingly aware of the possibility that dangerous debris may be orbiting in the Pluto system, putting the spacecraft and its exploration objectives into harm's way.
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NASA's WISE Colors in Unknowns on Jupiter Asteroids
NASA's WISE Colors in Unknowns on Jupiter Asteroids

Scientists have uncovered new clues in the ongoing mystery of the Jovian Trojans -- asteroids that orbit the sun on the same path as Jupiter.
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Giant Asteroid's Troughs Suggest Stunted Planet
Giant Asteroid's Troughs Suggest Stunted Planet

Enormous troughs that wrap around the giant asteroid Vesta may actually be dropped blocks of terrain bounded by fault lines, suggesting a geologic complexity beyond that of most asteroids.
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Dawn
NASA Dawn Spacecraft Sees Hydrated Minerals on Giant Asteroid

NASA's Dawn spacecraft has revealed the giant asteroid Vesta has its own version of ring around the collar.
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Vesta in Dawn's Rear View Mirror
Vesta in Dawn's Rear View Mirror

NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta.
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