the asteroids Vesta and CeresCeres was reclassified as a "dwarf planet" by the IAU, at the same time the same body reclassified Pluto as a "dwarf planet". Slow week, possibly of interest to the list. :')
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cogitator - Thanks for the post.
SunkenCiv - Thanks for the ping.
Ion propulsion, eh? Scotty would be proud...
Ceres, of course, holds a prominent position in the history of mathematical astronomy, probability theory and in establishing the reputation of Karl F. Gauss as Europe’s leading mathematician.
http://www.math.rutgers.edu/~cherlin/History/Papers1999/weiss.html