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Blog Archive

 

Ceres Coming Into View

Paul Schenk • February 03, 2015

Dawn is on approach to Ceres, the largest of the asteroids, and is starting to resolve features.

Camera now measuring even fainter Near-Earth Objects

Bruce Betts • January 30, 2015

Camera purchased with the support of a 2009 Shoemaker NEO Grant is now on a new telescope providing follow-up measurements for even fainter near-Earth objects.

Dawn Journal: Closing in on Ceres

Marc Rayman • January 30, 2015

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.

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

Emily Lakdawalla • January 27, 2015

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

Sky survey grant helps lead to a space science career

Bruce Betts • January 16, 2015

Quan-Zhi Ye was an 18 year-old college student and the principal investigator of the Lulin Sky Survey when he won a 2007 Shoemaker NEO grant. He's now a Ph.D. candidate and provides an update on his work in meteor studies.

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

Paul Schenk • January 15, 2015

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

2007 Shoemaker Grant Still Yielding Asteroid Science

Bruce Betts • January 06, 2015

Telescope purchased in 2007 with the support of a Shoemaker grant is still in service and has worked on over 100 near-Earth asteroids over its 8 years of operation.

New camera improves a California near-Earth asteroid program

Bruce Betts • December 29, 2014

A new camera is improving the efficiency of the Near-Earth Asteroid Program at the Center for Solar System Studies. This update from Shoemaker NEO Grant winner Bob Stephens reveals amazing recent progress using his 2013 Planetary Society grant.

Dawn Journal: History of Ceres

Marc Rayman • December 29, 2014

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

The YORP Effect and Bennu

Dante Lauretta • December 11, 2014

The YORP effect is a phenomenon that affects the rotation rate and pole orientation of an asteroid. YORP is an acronym that combines four scientist’s names: Yarkovsky, O’Keefe, Radzievskii, and Paddack.

Ceres is round!

Emily Lakdawalla • December 05, 2014

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.

The Science of “Bennu’s Journey”

Dante Lauretta • November 25, 2014

The OSIRIS-REx project released Bennu’s Journey, a movie describing one possible history of our target asteroid – Bennu. The animation is among the most highly detailed productions created by Goddard’s Conceptual Image Laboratory.

Hunting Binary Asteroids

Bruce Betts • November 07, 2014

Thanks to The Planetary Society’s Shoemaker NEO Grant program, a new telescope has been brought to bear focusing on searching for and understanding the properties of binary asteroid systems.

Dawn Journal: Ion thrusting (or not)

Marc Rayman • November 02, 2014

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

Collaboration Between OSIRIS-REx and Hayabusa2

Dante Lauretta • October 20, 2014

The University of Arizona (UA) hosted representatives of the Hayabusa2 asteroid sample return mission to explore opportunities for collaboration with the OSIRIS-REx team.

What did Dawn learn at Vesta?

Emily Lakdawalla • October 09, 2014

It's now been two years since Dawn wrapped up its work at the second-largest asteroid. What else did we get from the Vesta encounter besides great photos? Recently, I asked Dawn's deputy project scientist, Carol Raymond, for help in summarizing a few of the big things Dawn taught us.

All That is Known About Bennu

Dante Lauretta • September 24, 2014

The OSIRIS-REx Design Reference Asteroid (DRA) document is now available to the public. The DRA is a compilation of all that is known about the OSIRIS-REx mission target, asteroid (101955) Bennu.

Last Chance to Fly Your Name to Asteroid Bennu

Bruce Betts • September 22, 2014

You have just until September 30, 2014 at 23:59 Pacific time, to submit your name, and to tell your friends and family to submit their names, to fly to asteroid Bennu and back on board NASA’s OSIRIS-REx mission.

Pretty pictures: Vesta's dark material

Emily Lakdawalla • September 05, 2014

More masterful processing of Dawn Vesta images by Björn Jónsson, including Aelia crater and some mysterious dark splats near Fulvia crater.

Submit Predictions to Fly in an Asteroid Time Capsule

Bruce Betts • September 02, 2014

You have four weeks left (until September 30, 2014) to submit names to send to an asteroid, and now you can also separately submit space exploration predictions or images to send in a time capsule to and from that same asteroid. Both sets of information will fly etched on microchips on board the NASA OSIRIS-REx spacecraft.

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