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Blogs

Blog Archive

 

Dawn Journal: Descent to HAMO

Posted by Marc Rayman on 2015/07/30 09:45 CDT | 11 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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The not-planets

Posted by Emily Lakdawalla on 2015/07/14 12:48 CDT | 36 comments

Now that I have a reasonable-resolution global color view of Pluto, I can drop it into one of my trademark scale image montages, to show you how it fits in with the rest of the similar-sized worlds in the solar system: the major moons and the biggest asteroids.

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Three mission updates: Trouble for Dawn at Ceres; A new plan for Juno; OSIRIS-REx coming together

Posted by Emily Lakdawalla on 2015/07/09 04:25 CDT | 6 comments

With all the focus on Pluto it's hard to keep up with all the other space missions currently exploring other planets. Here are brief updates on three of them.

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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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Dawn Journal: Spiralling Closer to Ceres

Posted by Marc Rayman on 2015/05/29 07:32 CDT | 6 comments

Dawn's Chief Engineer and Mission Director Marc Rayman gives an update as the spacecraft's orbit takes it even closer to the dwarf planet Ceres.

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Tons of fun with the latest Ceres image releases from Dawn

Posted by Emily Lakdawalla on 2015/05/22 04:59 CDT | 20 comments

Fantastic new images of Ceres continue to spill out of the Dawn mission, and armchair scientists all over the world are zooming into them, exploring them, and trying to solve the puzzles that they contain.

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Two Months from Pluto!

Posted by Paul Schenk on 2015/05/19 06:12 CDT | 5 comments

Two months. Eight and half weeks. 58 days. It's a concept almost too difficult to grasp: we are on Pluto's doorstep.

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A week's worth of "RC3" images from Dawn at Ceres

Posted by Emily Lakdawalla on 2015/05/05 12:25 CDT | 1 comments

Now that Dawn is in its science orbit at Ceres, the mission has been releasing new images every weekday!

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Dawn Journal: Getting Down to Science at Ceres

Posted by Marc Rayman on 2015/05/01 03:02 CDT | 14 comments

Dawn Mission Director and Chief Engineer Marc Rayman gives a status update on the mission, having finally arrived at dwarf planet Ceres.

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New views of three worlds: Ceres, Pluto, and Charon

Posted by Emily Lakdawalla on 2015/04/16 03:17 CDT | 7 comments

New Horizons took its first color photo of Pluto and Charon, while Dawn obtained a 20-frame animation looking down on the north pole of a crescent Ceres.

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Dawn Journal: Preparing to Photograph Ceres

Posted by Marc Rayman on 2015/04/01 08:58 CDT | 11 comments

Dawn's Chief Engineer and Mission Director, Marc Rayman, explains why we haven't seen any new images of Ceres—and when we can expect them.

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Ceres Gets Real; Pluto Lurks

Posted by Paul Schenk on 2015/03/27 04:10 CDT

Although we are still along way from understanding this fascinating little body, Ceres is finally becoming a real planet with recognizable features! And that's kinda cool.

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LPSC 2015: First results from Dawn at Ceres: provisional place names and possible plumes

Posted by Emily Lakdawalla on 2015/03/19 06:29 CDT | 6 comments

Three talks on Tuesday at the Lunar and Planetary Science Conference concerned the first results from Dawn at Ceres. Chris Russell showed a map of "quads" with provisional names on Ceres, Andreas Nathues showed that Ceres' bright spot might be an area of plume-like activity, and Francesca Zambon showed color and temperature variations across the dwarf planet.

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Mini mission updates: Dawn in orbit; Curiosity short circuit; Rosetta image release; Hayabusa 2 in cruise phase; and more

Posted by Emily Lakdawalla on 2015/03/06 11:42 CST | 1 comments

Dawn has successfully entered orbit at Ceres, becoming the first mission to orbit a dwarf planet and the first to orbit two different bodies beyond Earth. I also have updates on Curiosity, Rosetta, Mars Express, Hayabusa 2, the Chang'e program, InSIGHT, and OSIRIS-REx.

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Dawn Journal: Ceres Orbit Insertion!

Posted by Marc Rayman on 2015/03/06 10:32 CST | 8 comments

Dawn's Chief Engineer, Marc Rayman, gives an update on the mission's highly anticipated arrival at Ceres.

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Seeing Ceres: Then and Now

Posted by Paul Gilster on 2015/03/06 09:33 CST | 1 comments

Technology writer Paul Gilster shares his interest in how we depict astronomical objects, focusing on the dwarf planet Ceres.

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Watch Ceres rotate: A guide to interpreting Dawn's images

Posted by Emily Lakdawalla on 2015/03/03 02:55 CST | 14 comments

NASA held a press briefing on the Dawn mission yesterday, sharing some new images and early interpretations of them. I see lots of things that intrigue me, and I'm looking forward to Dawn investigating them in more detail. I invite you to check out these photos yourself, and offer you some guidance on things to look for.

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At last, Ceres is a geological world

Posted by Emily Lakdawalla on 2015/02/25 09:42 CST | 25 comments

I've been resisting all urges to speculate on what kinds of geological features are present on Ceres, until now. Finally, Dawn has gotten close enough that the pictures it has returned show geology: bright spots, flat-floored craters, and enigmatic grooves.

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Dawn Journal: Ceres' Deepening Mysteries

Posted by Marc Rayman on 2015/02/25 02:00 CST | 15 comments

Even as we discover more about Ceres, some mysteries only deepen. Mission Director Marc Rayman gives an update on Dawn as it moves ever closer to its next target.

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