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The Planetary Society Asks "Where is Cosmos 1?" Received Signals May Have Come from Solar Sail Spacecraft in Orbit

Susan Lendroth • July 01, 2005

The Planetary Society continues to investigate the mystery of what happened to its Cosmos 1 spacecraft - a joint project with Cosmos Studios - that launched last week on a Russian Volna rocket.

The Story of Cosmos 1 is Not Over: A Personal Report

Louis D. Friedman • June 25, 2005

The word failure is sticking in my craw. Certainly, we failed to achieve the objective of Cosmos 1: we did not achieve solar-sail flight. But I don’t think, with all we have done, that I can call Cosmos 1 a failure.

Piecing the Data Together

Louis D. Friedman • June 23, 2005

We’ve had a very exciting day here in Moscow. Bud Schurmeier and I met with Konstantin Pichkhadze, head of the Lavochkin Association, which built our spacecraft, Cosmos 1.

"We have a live spacecraft..."

Emily Lakdawalla • June 21, 2005

...we think.

Final Words Before Launch

Louis D. Friedman • June 21, 2005

Speaking by phone to a roomful of journalists in Pasadena less than 2 hours before the expected launch, project director Louis Friedman reiterated his confidence in the entire Cosmos 1 team.

The Launch of Cosmos 1: Live Reports

Bruce Betts • June 21, 2005

In the past twenty-four hours, the Russian space agency (RKA) has made a tentative conclusion that the Volna rocket carrying Cosmos 1 failed during the firing of the first stage. This would mean that Cosmos 1 is lost.

Cosmos 1 Solar Sail will Carry CD into Orbit

Susan Lendroth • June 16, 2005

When Cosmos 1, the first solar sail spacecraft, launches on June 21, 2005, it will carry into Earth orbit a CD containing the names of over 75,000 members of The Planetary Society and the Japan Planetary Society, along with the works of early visionaries who inspired solar sailing.

The buzz begins!

Emily Lakdawalla • June 15, 2005

Yesterday, we sent out an invitation to print, TV, and Web media for the launch event we'll be holding at our Pasadena headquarters on Tuesday. So today, the buzz really began about our mission, and the phones are beginning to ring off the hook.

Cosmos 1: Another rehearsal...

Emily Lakdawalla • June 15, 2005

Rehearsals don't always go so well, which is the whole point of rehearsals. That was true both for us and for the Russians today, in separate simulations of mission operations.

Cosmos 1 "Mated" to Volna Rocket in Preparation for Tuesday Launch

Louis D. Friedman • June 15, 2005

The world’s first solar sail spacecraft, Cosmos 1, is now mated to its Volna launch vehicle and ready for its ride into space.

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