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Blogs

Blog Archive

 

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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Dawn Journal: Aiming Away From a Bull's Eye at Mars

Posted by Marc Rayman on 2008/11/30 10:12 CST

The Dawn spacecraft is healthy and on course for its flyby of Mars early next year. The planet's gravity will help boost the probe on its way to rendezvous with Vesta.

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Dawn Journal: A Pause in Thrusting

Posted by Marc Rayman on 2008/10/31 12:37 CDT

The Dawn spacecraft continues on course and on schedule for its bold campaign to unexplored worlds.

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Dawn Journal: One Year Since Launch

Posted by Marc Rayman on 2008/09/30 12:13 CDT

On the first anniversary of its departure from Earth, Dawn continues with what it has been doing for most of its time in space. With the greatest patience, it is gently reshaping its orbit around the Sun with its ion propulsion system.

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Dawn Journal: Some Explanations of Orbital Dynamics

Posted by Marc Rayman on 2008/08/28 01:14 CDT

The Dawn spacecraft continues to make good progress on its adventure to unlock scientific secrets hidden deep in the main asteroid belt, between Mars and Jupiter.

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Dawn Journal: We Crave Power!!!

Posted by Marc Rayman on 2008/08/05 04:13 CDT

Dawn continues its flight through the solar system with all systems functioning well.

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Dawn Journal: Cruising Past Mars' Orbit

Posted by Marc Rayman on 2008/06/30 11:29 CDT

Now using an ion thruster that had been powered off since October, Dawn continues to make steady progress on its journey deeper into space.

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Dawn Journal: Ion Propulsion

Posted by Marc Rayman on 2008/05/29 11:18 CDT

The Dawn mission continues smoothly, as the spacecraft reliably thrusts with its ion propulsion system, demonstrating all the patience of a...well, of an ion-propelled spacecraft!

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Dawn Journal: Software Updates

Posted by Marc Rayman on 2008/04/23 01:07 CDT

Dawn continues its powered flight, having accumulated more than 100 days of ion thrusting since its launch nearly seven months ago. All systems are healthy as the probe patiently and persistently propels itself through the solar system.

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Dawn Journal: One AU from Earth

Posted by Marc Rayman on 2008/04/23 01:06 CDT

Dawn is as far from Earth as the Sun.

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Dawn Journal: Backup Camera Checks Out

Posted by Marc Rayman on 2008/03/03 11:32 CST

Treating intercalary days just as it does most other days in its interplanetary cruise, today Dawn continues patiently and ever-so-gently reshaping its orbit around the Sun with the delicate yet persistent push from its ion propulsion system.

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Dawn Journal: Safely Cruising

Posted by Marc Rayman on 2008/02/01 12:21 CST

Now in interplanetary cruise, the Dawn spacecraft is following a much more leisurely pace than the one it maintained during the initial checkout phase of the mission.

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Dawn Journal: Checkout Complete, Interplanetary Cruise Underway

Posted by Marc Rayman on 2007/12/18 09:36 CST

After the remarkably successful initial checkout phase, Dawn is now in the interplanetary cruise phase.

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Dawn Journal: Halfway Through Checkout

Posted by Marc Rayman on 2007/11/14 01:47 CST

Now more than halfway through its 80-day initial checkout phase, the Dawn spacecraft continues to please its fans in mission control and throughout much of the rest of the universe.

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Dawn Journal: Testing, Testing, Testing

Posted by Marc Rayman on 2007/10/26 04:40 CDT

Dawn's checkout phase continues to go very well. The spacecraft is healthy as it and Earth travel their separate ways, separating at almost 1 light second per day.

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Dawn Journal: Firing Up the Ion Propulsion System

Posted by Marc Rayman on 2007/10/09 05:37 CDT

Joining an elite club among spacecraft, Dawn successfully fired up its xenon ion propulsion system on October 6.

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Dawn Journal: Launch!

Posted by Marc Rayman on 2007/10/02 11:31 CDT

The Dawn project welcomes you to deep space! Dawn is operating smoothly on the fourth day of its eight-year adventure.

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Dawn Launch: A Brilliant Flash and a Thunderous Roar!

Posted by Ken Kremer on 2007/09/27 09:37 CDT

At 7:34 a.m. EDT the Delta II Heavy roared off launch pad 17 B at Cape Canaveral with a brilliant flash of glowing orange light and billowing white smoke.

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