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Blog Archive


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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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.

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My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

Posted by Emily Lakdawalla on 2012/12/18 04:26 CST | 9 comments

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

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Door 27 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/27 03:48 CST

Time to open the twenty-seventh door in the advent calendar. Where in the solar system is this flat-floored depression?

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Boulders and Ponds on 433 Eros

Posted by Emily Martin on 2010/12/13 12:10 CST

There is really cool geology being explored on large, oddly shaped asteroids. The Near Earth Asteroid Rendezvous (NEAR) mission reached 433 Eros in 2000, and one of the exciting results was the discovery of features called "ponds".

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Report from the Exploration of Near-Earth Objects Objectives Workshop - Day 2

Posted by Bruce Betts on 2010/08/11 04:45 CDT

It's day 2 at NASA's Exploration of Near Earth Objects (NEO) Objectives workshop (ExploreNOW).

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