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An aerial view of Puerto Rico's Arecibo Observatory dish, featured in the 1997 movie "Contact" about extraterrestrial contact. | H. Schweiker/WIYN and NOAO/AURA/NSF
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Back to School? Help Explore the Cosmos From Home

September is a perfect time to help astronomers educate the public (and themselves) about the universe.

August 26, 2015
6:30 AM EDT
Comet Hyakutake passes by the sun in this Solar and Heliospheric Observatory (SOHO) image in May 1996. The comet was discovered long before it passed by the sun, but many are discovered in SOHO images by amateurs. | ESA/NASA/SOHO/GSFC
The Hubble Space Telescope is serviced by astronauts one last time by the STS-125 crew, in 2009. | NASA
Gale Crater on Mars (including the Curiosity landing ellipse, shown in yellow) is surrounded by other craters. | NASA
When galaxies nearly collide! | NASA/ESA and The Hubble Heritage Team (STScI)
A member of the public asked for this picture of the edge of Olympus Mons, and got it through the HiWish program. | NASA/JPL-Caltech/University of Arizona
A variable star pops up in this iseries of images of the Andromeda Galaxy (M31) taken by the Hubble Space Telescope. | NASA, ESA, and the Hubble Heritage Team (STScI/AURA)