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Dawn Journal: Diving Low

Posted by Marc Rayman on 2016/09/01 10:08 CDT | 11 comments

Following the conclusion of Dawn's ambitious 8.8-year prime mission on June 30, the spacecraft has been gathering a wealth of data with all sensors in its extended mission as it orbits closer to Ceres than the International Space Station is to Earth.

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Dawn Journal: Staying at Ceres

Posted by Marc Rayman on 2016/07/30 01:19 CDT | 9 comments

The official end of Dawn's prime mission was June 30, but the valiant adventurer began its "extended mission" of performing more Ceres observations without missing a beat.

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Dawn Journal: In the Details

Posted by Marc Rayman on 2016/06/08 06:33 CDT | 6 comments

Dawn is continuing to record the extraordinary sights on dwarf planet Ceres. The experienced explorer is now closer to the alien world than the International Space Station is to Earth.

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Dawn Journal: A New Angle on Ceres

Posted by Marc Rayman on 2016/05/04 01:31 CDT | 27 comments

Since April 11, instead of photographing the scenery directly beneath it, Dawn has been aiming its camera to the left and forward as it orbits and Ceres rotates to map more of the dwarf planet.

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Dawn Journal: Sharper Views of Ceres

Posted by Marc Rayman on 2016/04/01 09:21 CDT | 1 comments

One year after taking up its new residence in the solar system, Dawn is continuing to witness extraordinary sights on dwarf planet Ceres. Mission Director Marc Rayman brings us his monthly update on Dawn's status.

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LPSC 2016: So. Much. Ceres.

Posted by Emily Lakdawalla on 2016/03/30 06:31 CDT | 13 comments

At last week's Lunar and Planetary Science Conference, I enjoyed a large number of talks about Ceres. Now in its Low-Altitude Mapping Orbit, Dawn is showering scientists with high-resolution, color data.

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Dawn Journal: Success at Ceres

Posted by Marc Rayman on 2016/03/01 07:04 CST | 25 comments

More than eight years after leaving Earth behind for an ambitious deep space adventure, the Dawn mission has now collected all of the data originally planned. Chief Engineer and Mission Director Marc Rayman brings us an update.

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Dawn Journal: Measuring Light

Posted by Marc Rayman on 2016/02/01 01:20 CST | 6 comments

Chief Engineer and Mission Director Marc Rayman explains some of the measurements the Dawn mission is taking at Ceres, most of which depend on sunlight.

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Dawn Journal: Science on Ceres

Posted by Marc Rayman on 2016/01/01 07:02 CST | 15 comments

The Dawn mission is developing humankind’s most intimate portrait ever of a dwarf planet. Mission Director and Chief Engineer Marc Rayman returns with his monthly update on the mission's progress.

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Dawn Journal: Descent to LAMO

Posted by Marc Rayman on 2015/12/02 12:02 CST | 12 comments

Dawn's Chief Engineer and Mission Director Marc Rayman previews what's in store as the spacecraft moves into its final mapping orbit around dwarf planet Ceres.

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DPS 2015: First reconnaissance of Ceres by Dawn

Posted by Emily Lakdawalla on 2015/11/12 08:55 CST | 7 comments

This is the first major meeting since Dawn's arrival at Ceres, and despite competition with Pluto surface science there was a well-attended Ceres talk session on Monday and poster session on Tuesday.

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The round worlds in the solar system: An updated graphic

Posted by Emily Lakdawalla on 2015/11/02 04:06 CST | 9 comments

I have a newly updated scale comparison graphic to share: all the round worlds in the solar system smaller than 10,000 kilometers in diameter, now with added Pluto, Charon, and Ceres.

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Dawn Journal: A Bounty of Data

Posted by Marc Rayman on 2015/10/30 08:22 CDT | 16 comments

Dawn has completed another successful campaign to acquire a wealth of data in its exploration of dwarf planet Ceres, providing our clearest and most complete view ever of this world.

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Dawn data from Ceres publicly released: Finally, color global portraits!

Posted by Emily Lakdawalla on 2015/10/22 03:24 CDT | 5 comments

A few days ago, Dawn officially released the first big pile of data from the Ceres mission phase. Thanks to the public release, I can show you color global portraits of Ceres.

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Dawn Journal: 8 Years in Space

Posted by Marc Rayman on 2015/09/28 07:49 CDT | 18 comments

On the 8th anniversary of the launch of the Dawn spacecraft, Chief Engineer and Mission Director Marc Rayman gives his annual summary of Dawn’s progress on its interplanetary travels.

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Dawn Ceres image bonanza: Grab your 3D glasses!

Posted by Emily Lakdawalla on 2015/09/09 08:04 CDT | 4 comments

For months, Dawn has been steadily, methodically sharing dozens of images of brand-new sights of a previously unexplored icy world. For the last couple of days I've been making up for lost time, completely buried in the Dawn Ceres images, and I have some maps and 3D anaglyphs to share with you.

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Dawn Journal: Mapping Ceres

Posted by Marc Rayman on 2015/08/22 01:05 CDT | 48 comments

More than two centuries after its discovery, Ceres is being mapped in great detail by the Dawn spacecraft. Chief Engineer and Mission Director Marc Rayman gives an update on Dawn's progress.

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Dawn Journal: Descent to HAMO

Posted by Marc Rayman on 2015/07/30 09:45 CDT | 26 comments

With a wonderfully rich bounty of pictures and other observations already secured, Dawn is now on its way to an even better vantage point around dwarf planet Ceres.

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Dawn at Ceres: A haze in Occator crater?

Posted by Andrew Rivkin on 2015/07/21 05:54 CDT | 17 comments

While Pluto deservedly stole the headlines last week, Chris Russell’s Dawn update at the Exploration Science Forum at NASA Ames reminded us that the other dwarf planets are also sharing their secrets with eager scientists.

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Dawn Journal: Ceres' Intriguing Geology

Posted by Marc Rayman on 2015/06/30 12:51 CDT | 10 comments

Dawn is continuing to unveil a Ceres of mysteries at the first dwarf planet discovered. Mission Director Marc Rayman gives us an update.

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