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Dawn Journal

Dawn Journal: Getting Warmer, Farther from the Sun?

Marc Rayman • September 02, 2010

Dawn is now so far from the sun that even with its tremendous solar arrays, it does not receive enough sunlight to generate sufficient electrical power to operate all systems and still achieve maximum thrust.

Dawn Journal: A Year from Vesta

Marc Rayman • July 28, 2010

Dawn is flying smoothly through the asteroid belt, now less than a year from entering orbit around Vesta, the first of its two cosmic destinations.

Dawn Journal: Dawn 9.0

Marc Rayman • June 30, 2010

A new version of the Dawn spacecraft is continuing the ambitious journey through the asteroid belt to uncharted distant worlds.

Dawn Journal: Surveying Vesta

Marc Rayman • June 01, 2010

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

Dawn Journal: Matching Paces with Vesta

Marc Rayman • May 02, 2010

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

Dawn Journal: It's Just a Phase

Marc Rayman • March 30, 2010

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

Dawn Journal: Forever Farther From Earth Than the Sun

Marc Rayman • February 26, 2010

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

Dawn Journal: Thruster Two's Time to Shine

Marc Rayman • February 10, 2010

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

Dawn Journal: Patiently Accelerating

Marc Rayman • January 05, 2010

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.

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

Marc Rayman • December 01, 2009

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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