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Blogs

Dawn Journal

Dawn Journal: Surveying Vesta

Posted by Marc Rayman on 2010/06/01 11:41 CDT

After more than 2.5 years of spaceflight, and more than 6 months in the asteroid belt, Dawn's interplanetary journey continues smoothly.

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Dawn Journal: Matching Paces with Vesta

Posted by Marc Rayman on 2010/05/02 11:01 CDT

Dawn remains on course and on schedule for its appointments with Vesta and Ceres, colossal protoplanets in the main asteroid belt.

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Dawn Journal: It's Just a Phase

Posted by Marc Rayman on 2010/03/30 12:43 CDT

Our interplanetary adventurer still has a great deal of ion thrusting to complete before it can begin its orbital exploration of Vesta next year.

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Dawn Journal: Forever Farther From Earth Than the Sun

Posted by Marc Rayman on 2010/02/26 09:14 CST

Pushing ever farther into space, deeper into the asteroid belt, Dawn is continuing to progress smoothly on its solar system journey.

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Dawn Journal: Thruster Two's Time to Shine

Posted by Marc Rayman on 2010/02/10 01:14 CST

Dawn is outfitted with three ion thrusters, assigned the heartwarming names thruster #1, thruster #2, and thruster #3.

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Dawn Journal: Patiently Accelerating

Posted by Marc Rayman on 2010/01/05 02:51 CST

Dawn usually interrupts ion thrusting once a week for about eight hours to point its main antenna to Earth. On November 30, however, instead of resuming thrusting, it dutifully followed different instructions that were stored onboard.

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Dawn Journal: In the Asteroid Belt, but Far from Asteroids

Posted by Marc Rayman on 2009/12/01 11:22 CST

Dawn entered the main asteroid belt on November 13. As it ventures ever deeper into this vast collection of material between Mars and Jupiter, it may be tempting to think of the spacecraft constantly dodging asteroids.

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Dawn Journal: Taking Up Residence in the Asteroid Belt

Posted by Marc Rayman on 2009/11/02 11:32 CST

Dawn has devoted another month to thrusting with its ion propulsion system, ever with its sights set on its rendezvous with Vesta in July 2011.

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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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