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Headshot of Emily Lakdawalla

Vesta, now better than Hubble!

Posted by Emily Lakdawalla

17-06-2011 19:55 CDT

Topics: asteroid 4 Vesta, mission status, asteroids, Dawn

Closer and closer! Vesta is still fuzzy, but as Dawn inexorably draws closer it's beginning to come into focus. The view is now better than anything Hubble has ever returned to Earth. This is the beginning of our exploration of previously unexplored territory! The image was released by the Dawn Framing Camera's home institution, the Max-Planck-Institut für onnensystemforschung, earlier today.

Vesta from Dawn on June 14, 2011

NASA / JPL-Caltech / UCLA / MPS / DLR / IDA

Vesta from Dawn on June 14, 2011
Dawn captured this view of Vesta on June 14, 2011 from a distance of about 265,000 kilometers. Each pixel spans roughly 25 kilometers. The view is now sharper than Hubble's!

There's clearly a deep crater in the northern part of the image. And the outline is definitely lumpier than the outlines of similarly sized bodies in the outer solar system (like Mimas and Enceladus), but we knew that already; the rock that Vesta is made of is able to hold up steeper mountains than the relatively low-strength ices that outer planet moons are made of. Apart from that, it's still hard to tell what's albedo differences and what's topography. But that won't be true for long.

Vesta: Ready or not, here we come!

See other posts from June 2011


Or read more blog entries about: asteroid 4 Vesta, mission status, asteroids, Dawn


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