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Photos: Huge Asteroid 2005 YU55 Flies Close By Earth in Nov. 2011

Green Bank Telescope


The Robert C. Byrd Green Bank Telescope in West Virginia, the largest steerable radio telescope in the world, is observing 86 planetary systems that may contain Earth-like planets in hopes of detecting signals from intelligent civilizations

Brian Warner, Palmer Divide Observatory

Brian Warner/Palmer Divide Observatory

Astronomer Brian Warner, director of the Palmer Divide Observatory, is leading a campaign of largely backyard astronomers to observe asteroid 2005 YU55 during its Nov. 8, 2011 close flyby of Earth.

Asteroid 2005 YU55 and Trajectory Diagram

Image: NASA/Cornell/Arecibo; Diagram: NASA/JPL-Caltech

Left: radar image of asteroid 2005 YU55 was generated from data taken in April 2010 by the Arecibo Radar Telescope in Puerto Rico. Right: diagram of the trajectory for asteroid 2005 YU55 — November 8-9, 2011

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