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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

NEAR Spacecraft Survives Landing on Asteroid Eros

Explanation: Yesterday NEAR-Shoemaker became the first spacecraft to land on an asteroid and send signals back from its surface. Since the robot spacecraft was not designed for such a contingency , the success of the landing on asteroid 433 Eros was not assured. Shown above is the last picture taken by NEAR-Shoemaker before its touchdown. The streaking on the lower part of the image was caused by the loss of telemetry as the satellite impacted the surface . The image was taken 130 meters above the surface and spans 6 meters across. Rocks as small as a human hand are visible. As engineers continue to try to communicate with the beached car-sized spacecraft, scientists will work to understand features visible in the highest resolution photographs ever taken of an asteroid.

Date February 13, 2001
Credit Credit: NEAR Project , JHU APL , NASA
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.