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Dawn Journal

Dawn Journal: Closing in on Ceres

Posted by Marc Rayman on 2015/01/30 08:31 CST | 7 comments

Dawn's chief engineer Marc Rayman gives an update on the mission as it gets ever closer to its next target: The dwarf planet Ceres.

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Dawn Journal: History of Ceres

Posted by Marc Rayman on 2014/12/29 01:25 CST | 14 comments

As Dawn looks toward the new world of Ceres, Mission Director Marc Rayman looks back on Ceres' discovery.

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Dawn Journal: Looking Ahead at Ceres

Posted by Marc Rayman on 2014/12/01 02:51 CST | 1 comment

This month, Marc Rayman looks ahead to some upcoming activities for Dawn as it approaches the dwarf planet Ceres.

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Dawn Journal: Ion thrusting (or not)

Posted by Marc Rayman on 2014/11/02 02:30 CST | 8 comments

Marc Rayman gives the latest update on the Dawn mission, focusing this time on the performance of its ion propulsion system.

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Dawn Journal: 7 Years of Interplanetary Travel

Posted by Marc Rayman on 2014/09/27 07:43 CDT | 6 comments

Marc Rayman gives us an update on the Dawn mission, heading to Ceres, on the 7th anniversary of its launch.

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Dawn Journal: From HAMO to LAMO and Beyond

Posted by Marc Rayman on 2014/09/02 06:40 CDT | 10 comments

Marc Rayman updates us on the Dawn mission, its plans from high to low altitude mapping orbits at Ceres, and what the intrepid spacecraft will pursue next.

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Dawn Journal: Not-So-Quiet Cruise

Posted by Marc Rayman on 2014/08/01 05:35 CDT | 13 comments

Dawn's Mission Director updates us on the status of the mission, and tells us what Dawn and Star Wars have in common.

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Dawn Journal: HAMO at Ceres

Posted by Marc Rayman on 2014/07/01 11:34 CDT | 9 comments

Dawn's chief engineer and mission director Marc Rayman gives an overview of the plan for the penultimate orbital phase at Ceres, the “high altitude mapping orbit” (HAMO).

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Dawn Journal: Survey Orbit at Ceres

Posted by Marc Rayman on 2014/06/03 09:59 CDT | 2 comments

This month Dawn's mission director Marc Rayman continues the preview of how Dawn will explore Ceres, this time in its survey orbit.

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Dawn Journal: Explaining Orbit Insertion

Posted by Marc Rayman on 2014/05/06 08:21 CDT | 4 comments

Less than a year from its rendezvous with dwarf planet Ceres, Dawn is continuing to make excellent progress on its ambitious interplanetary adventure. But once it gets to Ceres, just how will it go into orbit? Marc Rayman explains.

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