Connecting Research and Experts with Journalists

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Asteroid 433 Eros is slightly smaller than predicted, with at least two medium-sized craters, a long surface ridge, and a density comparable to the Earth's crust, according to measurements from NASA's Near Earth Asteroid Rendezvous (NEAR) spacecraft.

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On August 12 a 2-minute hydrazine engine burn put the Johns Hopkins Applied Physics Laboratory's Near Earth Asteroid Rendezvous spacecraft, on a direct path to intercept asteroid 433 Eros early next year.

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Evidence of "folds" on the frozen surface of Europa, providing unprecedented insight into the history and behavior of the Jovian satellite, is reported by researchers from the Johns Hopkins Applied Physics Laboratory and Brown University in the Aug. 11 Science.

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Findings from NASA's Near Earth Asteroid Rendezvous mission - appearing in a special section of the Sept. 22 issue of the journal Science - confirm that asteroid 433 Eros is a consolidated, primitive sample from the solar system's beginnings.

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The NEAR Shoemaker spacecraft - the first to orbit an asteroid - embarks on a series of low-altitude passes over 433 Eros this month in a prelude to a daring February descent to the surface of the rotating, 21-mile-long space rock.

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Cassini's recent pictures of Jupiter are providing scientists with never-before-seen images of the giant planet's magnetosphere and underlying dynamics.

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NASA's Near Earth Asteroid Rendezvous (NEAR) mission, the first to orbit an asteroid, has met all of its scientific goals in its year of orbiting asteroid Eros, and will now attempt another first: a controlled descent to the surface of the asteroid on Feb. 12.

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NEAR mission science team members have concluded that the majority of the small features that make up the surface of asteroid Eros more likely came from an unrelenting bombardment from space debris than internal processes.

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Researchers at the Johns Hopkins University Applied Physics Laboratory in Laurel, Md., have announced the first successful application in the United States of a new commercial standard for developing and exercising interacting federations of simulations.

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Using a sensitive new imaging instrument on NASA's Cassini spacecraft, researchers have discovered a large and surprisingly dense gas cloud sharing an orbit with Jupiter's icy moon Europa.