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A fifth planet for 55 Cancri

Emily Lakdawalla • November 06, 2007

A fifth planet for 55 Cancri

A few random items from last week

Emily Lakdawalla • November 05, 2007

A few random items from last week

Chang'e 1 is now in orbit!

Emily Lakdawalla • November 05, 2007

Chang'e 1 is now in orbit!

Science plans for Rosetta's Earth flyby

Emily Lakdawalla • November 02, 2007

Science plans for Rosetta's Earth flyby

Cool Cassini animations

Emily Lakdawalla • October 31, 2007

Cool Cassini animations

ESA mission updates: Rosetta and Venus Express

Emily Lakdawalla • October 31, 2007

ESA mission updates: Rosetta and Venus Express

Comet 17P/Holmes is getting bigger every day

Emily Lakdawalla • October 30, 2007

Comet 17P/Holmes is getting bigger every day

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

Bruce Betts • October 30, 2007

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.

MSL: Landing site downselections

Emily Lakdawalla • October 29, 2007

After three days of presentations, voting, and extended discussions, the "Mars community," as represented by something over 100 scientists who decided to attend the second Mars Science Laboratory (MSL) landing site selection meeting in a process that was open to all, have narrowed down to six the number of potential MSL landing sites.

Dawn Journal: Testing, Testing, Testing

Marc Rayman • October 26, 2007

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.

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