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Blogs

Dawn Journal

Dawn Journal: Good Performance Means a Longer Stay at Vesta!

Posted by Marc Rayman on 2009/09/28 03:23 CDT

Dawn is celebrating the second anniversary of leaving its home planet by engaging in the same function it has performed most of its time in space: with the utmost patience, it is using its ion propulsion system to gradually modify its orbit around the Sun.

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Dawn Journal: Earth Catches Up

Posted by Marc Rayman on 2009/09/02 12:53 CDT

As Dawn continues its long solar system journey to match orbits with Vesta and later with Ceres, some readers may note a surprising trend in the statistics for the mission.

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Dawn Journal: Quiet Cruise

Posted by Marc Rayman on 2009/07/31 05:47 CDT

Today Dawn is 220 million kilometers (137 million miles) from the star at the solar system's center.

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Dawn Journal: Testing Flight Software 8.0

Posted by Marc Rayman on 2009/05/27 07:11 CDT

Dawn's mission continues to go very well, as the spacecraft nears the end of the longest coasting period of its astronomical journey.

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Dawn Journal: Upgrades!

Posted by Marc Rayman on 2009/04/29 05:52 CDT

The upgraded Dawn spacecraft is now traveling in a new direction in its orbit around the Sun.

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Dawn Journal: Safe Without Safe Mode

Posted by Marc Rayman on 2009/04/06 12:45 CDT

Perhaps what is most noteworthy and satisfying since the last log is not what Dawn did, but rather what it did not do.

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Dawn Journal: Safely Past Mars

Posted by Marc Rayman on 2009/03/09 05:47 CDT

Dawn swooped close to Mars and then left it behind on a new course, having taken advantage of Mars's gravity.

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Dawn Journal: Mars Encounter

Posted by Marc Rayman on 2009/02/13 10:34 CST

Dawn continues to close in on Mars, ready for the gravitational slingshot that will help it on its expedition to the asteroid belt and its quest to gain insights into the evolution of the solar system.

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Dawn Journal: Just Missing the Bull's Eye at Mars

Posted by Marc Rayman on 2009/01/30 10:51 CST

Dawn continues on course for its pas de deux with Mars on February 17. The planet's gravity will gracefully assist the spacecraft on its way to rendezvous with its intended celestial partners Vesta and Ceres in the more distant asteroid belt.

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Dawn Journal: Conjunction Junction

Posted by Marc Rayman on 2009/01/05 11:10 CST

Having fulfilled all of its assignments for 2008, the Dawn spacecraft has been unusually quiescent recently.

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