Apr 03
This was fascinating: A photographic list of all the bodies in our solar system that are larger than 200 mi in diameter. By the way, I particularly like the name of the objects beyond Neptune: “Trans-Neptunion Object (TNOs)”
See here: http://tinyurl.com/2l2gn4
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April 3rd, 2007 at 12:16 pm
A cool picture, but probably part of the alarming bias against Pluto as a planet.
April 3rd, 2007 at 5:15 pm
But they didn’t include my favorite astroid…..
243 Ida and her sattelite Dactyl. (the only known astroid to have its own sattelite)
April 11th, 2007 at 6:24 am
Ida is no longer alone in being an asteroid with its own sattelite. For example 121 Hermione (no - it’s not named Harry, Ron or even Crookshanks).
http://en.wikipedia.org/wiki/Binary_asteroid
My 10 year old has memorized the 50 states and their capitals. I have no problem making him learn 100 planet names. Of course, i’ll have to learn them too.