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Halloween Asteroid Rotation

Oct. 30, 2015
This partial frame from an animation was generated using radar data collected by the National Science Foundation's 1,000-foot (305-meter) Arecibo Observatory in Puerto Rico.

Click here for animation of PIA20041
Click for larger animation

This animated GIF was generated using radar data collected by the National Science Foundation's 1,000-foot (305-meter) Arecibo Observatory in Puerto Rico. The six radar images used in the animation were taken on Oct. 30, 2015, and the image resolution is 25 feet (7.5 meters) per pixel.

The celestial object is more than likely a dead comet that has shed its volatiles after numerous passes around the sun.

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