News tagged with dawn

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Dawn delivers new image of Ceres

(Phys.org)—As NASA's Dawn spacecraft closes in on Ceres, new images show the dwarf planet at 27 pixels across, about three times better than the calibration images taken in early December. These are the ...

Jan 19, 2015
5 / 5 (29) 0

When is an asteroid not an asteroid?

(PhysOrg.com) -- On March 29, 1807, German astronomer Heinrich Wilhelm Olbers spotted Vesta as a pinprick of light in the sky. Two hundred and four years later, as NASA's Dawn spacecraft prepares to begin ...

Mar 30, 2011
4.8 / 5 (10) 4 | with audio podcast

Asteroid Vesta's mysterious olivine

(Phys.org) —Just when scientists thought they had a tidy theory for how the giant asteroid Vesta formed, a new paper from NASA's Dawn mission suggests the history is more complicated.

Nov 07, 2013
4.9 / 5 (13) 21 | with audio podcast