Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Blogs

Blog Archive

 

Dawn Journal: Closing in on Ceres

Posted by Marc Rayman on 2015/01/30 08:31 CST | 4 comments

Dawn's chief engineer Marc Rayman gives an update on the mission as it gets ever closer to its next target: The dwarf planet Ceres.

Read More »

Ceres: Just a little bit closer (and officially better than Hubble)

Posted by Emily Lakdawalla on 2015/01/27 06:26 CST | 5 comments

Last week's Dawn images of Ceres were just slightly less detailed than Hubble's best. This week's are just slightly better.

Read More »

New Dawn images of Ceres: comparable to Hubble

Posted by Emily Lakdawalla on 2015/01/20 09:06 CST | 9 comments

Dawn has captured a series of photos of a rotating Ceres whose resolution is very close to Hubble's, and they show tantalizing surface details.

Read More »

Year of the 'Dwarves': Ceres and Pluto Get Their Due

Posted by Paul Schenk on 2015/01/15 12:18 CST | 1 comments

This year we achieve the first exploration of these curious but fascinating objects. Paul Schenk explains what we may learn about them.

Read More »

Dawn Journal: History of Ceres

Posted by Marc Rayman on 2014/12/29 01:25 CST | 14 comments

As Dawn looks toward the new world of Ceres, Mission Director Marc Rayman looks back on Ceres' discovery.

Read More »

Ceres is round!

Posted by Emily Lakdawalla on 2014/12/05 02:44 CST | 3 comments

Okay, so the fact that Ceres is round is not news. It's still thrilling to see Ceres begin to come into focus as a round world.

Read More »

Dawn Journal: Ion thrusting (or not)

Posted by Marc Rayman on 2014/11/02 02:30 CST | 8 comments

Marc Rayman gives the latest update on the Dawn mission, focusing this time on the performance of its ion propulsion system.

Read More »

Dawn Journal: From HAMO to LAMO and Beyond

Posted by Marc Rayman on 2014/09/02 06:40 CDT | 10 comments

Marc Rayman updates us on the Dawn mission, its plans from high to low altitude mapping orbits at Ceres, and what the intrepid spacecraft will pursue next.

Read More »

Dawn Journal: Survey Orbit at Ceres

Posted by Marc Rayman on 2014/06/03 09:59 CDT | 2 comments

This month Dawn's mission director Marc Rayman continues the preview of how Dawn will explore Ceres, this time in its survey orbit.

Read More »

Intro Astronomy Class 6: Mars (continued) and Asteroids

Posted by Bruce Betts on 2014/03/14 06:10 CDT

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Read More »

Pretty Picture: Three Wanderers

Posted by Emily Lakdawalla on 2014/03/12 12:34 CDT

With all the excitement happening on missions criscrossing the solar system, I often forget to enjoy the views of our solar system that we can achieve from home. Amateur astronomers don't make the same mistake. Here's a lovely photo that Stuart Atkinson sent me, captured last night from Kendal, England, showing four special wanderers.

Read More »

2015 will be the Year of the Dwarf Planet, and you need to tell people about it!

Posted by Emily Lakdawalla on 2014/03/05 07:00 CST | 11 comments

I am very excited about 2015, more so than I have been about any year since I started working at The Planetary Society. Dawn will enter orbit at Ceres, and New Horizons, which will fly past Pluto and Charon. But if we want this kind of exploration to continue, I'm challenging you, dear readers, to tell the world why such non-planetary worlds are compelling places to go exploring.

Read More »

Dawn Journal: Distant interplanetary adventurer

Posted by Marc Rayman on 2013/08/30 04:28 CDT | 1 comments

Traveling confidently and alone, Dawn continues to make its way through the silent depths of the main asteroid belt. The interplanetary adventurer is on its long journey to the uncharted dwarf planet Ceres, by far the largest of all asteroids.

Read More »

Dawn Journal: Craving Power

Posted by Marc Rayman on 2013/07/30 01:12 CDT | 5 comments

Ion propulsion is not a source of power for Dawn. Rather, the craft needs a great deal of power to operate its ion propulsion system and all other systems. It needs so much that...we crave power!!

Read More »

Terra Cognita

Posted by Bill Dunford on 2013/07/29 01:18 CDT | 4 comments

Pushing back the frontier, and filling in the blank spaces on the map.

Read More »

Dawn Journal: Breaking Velocity Records

Posted by Marc Rayman on 2013/07/02 10:26 CDT | 7 comments

The indefatigable Dawn spacecraft is continuing its extraordinary interplanetary flight on behalf of inquisitive creatures on distant Earth. Progressing ever farther from Vesta, the rocky and rugged world it so recently explored, the ship is making good progress toward its second port of call, dwarf planet Ceres.

Read More »

Planetary Radio: Don't Step in That Puddle!
The Strong Evidence for Water on the Moon

Posted by Mat Kaplan on 2013/07/01 06:18 CDT

The Planetary Science Institute's Amanda Hendrix is the guest for our July 1 episode. She finds water in the least likely places, including Luna.

Read More »

Dawn Journal: Thrusting to a new personal best

Posted by Marc Rayman on 2013/06/02 12:07 CDT | 2 comments

Traveling from one alien world to another, Dawn is reliably powering its way through the main asteroid belt with its ion propulsion system. Vesta falls farther and farther behind as the spacecraft gently and patiently reshapes its orbit around the sun, aiming for a 2015 rendezvous with dwarf planet Ceres.

Read More »

Dawn Journal: A low-orbit shortcut to Ceres

Posted by Marc Rayman on 2013/05/02 02:11 CDT

Marc Rayman's latest Dawn Journal explains why Dawn is currently closer to the Sun than both Ceres and Vesta.

Read More »

Dawn Journal: Staying warm en route to Ceres

Posted by Marc Rayman on 2013/03/30 10:05 CDT | 4 comments

Marc Rayman's latest Dawn journal explains the temperature adjustments engineers make to save power and keep the spacecraft warm.

Read More »

Items 1 - 20 of 30  12Next
Facebook Twitter Email RSS AddThis

JOIN THE
PLANETARY SOCIETY

Our Curiosity Knows No Bounds!

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Us

Featured Images

Boeing CST-100
Dawn's view of Ceres on January 25, 2015 (super-res stack of 9 images)
Dawn's view of Ceres on January 25, 2015 (animation)
Before & after: Fractures in shadowed Churyumov-Gerasimenko cliffs
More Images

Featured Video

NASA's Budget (part 1)

Watch Now

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join the New Millennium Committee

Let’s invent the future together!

Become a Member

Connect With Us

Facebook! Twitter! Google+ and more…
Continue the conversation with our online community!