Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Ask Astro

Published: October 26, 2009
December 2009 Hubble
The Hubble Space Telescope looked clean and spiffy on April 25, 1990, when astronauts on the space shuttle Discovery nudged the space observatory into orbit.
Photo by NASA/Smithsonian Institution/Lockheed Corporation
No. NASA's space shuttle fleet is scheduled to go out of service in 2010. And after that, neither the United States nor any other nation will have a space vehicle capable of returning such a large piece of equipment to Earth.
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