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Stories, updates, insights, and original analysis from The Planetary Society.

OSETI Telescope Primary MIrror

Planetary Society's Optical SETI Telescope Offers Online View of Night sky

The Planetary Society's Optical SETI Telescope was built solely to search for possible light signals from alien civilizations. Located at Oak Ridge Observatory in Harvard, Massachusetts, it is the first dedicated Optical SETI telescope in the world. Its 72-inch primary mirror also makes it larger than any optical telescope in the U.S. east of the Mississippi river.

Dawn in survey orbit at Ceres

Dawn Journal: Testing, Testing, Testing

Dawn's checkout phase continues to go very well. The spacecraft is healthy as it and Earth travel their separate ways, separating at almost 1 light second per day.

The Cosmos Award for Outstanding Public Presentation of Science

2007 Cosmos Award Honoree Paula Apsel

The 2007 Cosmos Award for Outstanding Public Presentation of Science was presented to Paula Apsel, the Senior Executive Producer of the Emmy Award-winning series NOVA and NOVA scienceNOW, and Director of the WGBH Science Unit at WGBH Boston.

Opportunity looks upward to 'Paolo's Plunge'

Wheel tracks

The Mars Exploration Rovers have left wheel tracks all over their landing sites, but for some reason this pair of wheel tracks, left in the sand ripple on the rim of Victoria crater and now viewed from below, tickled my fancy. Thanks to James Canvin for the lovely panorama.

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