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
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
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