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Ceres is a planet!
Holder of the Tw...
post Aug 16 2006, 03:31 AM
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The fifth planet in the solar system is ... CERES!

So says the draft from the IAU working committee that is trying to settle the question of the definition of a planet. And the agreement on the committee was unanimous.

I knew it. I knew it all along. First time I ever saw Ceres I thought "Yep, that's a planet". Although admittedly my trusty astroscan couldn't quite resolve it.

I would have fought for Vesta and Pallas, too. But this is good enough.

Oh, incidently, Pluto is too. So is 2003UB313.

Well now, that should give a little extra insurance to the DAWN mission getting of the ground.

This all has to be voted on by the whole body, but once again, the committee was unanimous, all seven members. Anything round by gravity, roughly above 850 km diameter.
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Posts in this topic
- Holder of the Two Leashes   Ceres is a planet!   Aug 16 2006, 03:31 AM
- - volcanopele   Sweet. Would have been better had Dawn already la...   Aug 16 2006, 03:47 AM
|- - Holder of the Two Leashes   QUOTE (volcanopele @ Aug 15 2006, 10:47 P...   Aug 16 2006, 03:57 AM
- - ElkGroveDan   QUOTE (Holder of the Two Leashes @ Aug 15 200...   Aug 16 2006, 05:27 AM
|- - mchan   Yes, a planet may not orbit around another planet....   Aug 16 2006, 05:34 AM
|- - dilo   Wow, 12 planets (up to now)! I will drink a Ce...   Aug 16 2006, 06:20 AM
|- - remcook   QUOTE (mchan @ Aug 16 2006, 06:34 AM) Yes...   Aug 16 2006, 08:08 AM
|- - paxdan   QUOTE (remcook @ Aug 16 2006, 09:08 AM) ....   Aug 16 2006, 09:37 AM
|- - ugordan   QUOTE (paxdan @ Aug 16 2006, 10:37 AM) th...   Aug 16 2006, 10:45 AM
|- - abalone   QUOTE (paxdan @ Aug 16 2006, 07:37 PM) th...   Aug 16 2006, 11:21 AM
||- - ugordan   QUOTE (abalone @ Aug 16 2006, 12:21 PM) A...   Aug 16 2006, 11:35 AM
||- - abalone   QUOTE (ugordan @ Aug 16 2006, 09:35 PM) I...   Aug 16 2006, 11:53 AM
||- - Rob Pinnegar   QUOTE (abalone @ Aug 16 2006, 05:53 AM) T...   Aug 16 2006, 01:25 PM
|- - dilo   QUOTE (paxdan @ Aug 16 2006, 09:37 AM) th...   Aug 16 2006, 06:39 PM
|- - volcanopele   Jupiter is not quite big enough to be considered a...   Aug 16 2006, 07:55 PM
|- - Jyril   QUOTE (dilo @ Aug 16 2006, 09:39 PM) I wo...   Aug 16 2006, 08:02 PM
- - abalone   A very sensible compromises   Aug 16 2006, 07:54 AM
- - ngunn   What rule excludes the other larger KBOs and Sedna...   Aug 16 2006, 10:51 AM
- - MarcF   All these solar system bodies are interesting, wet...   Aug 16 2006, 08:56 PM
- - alan   QUOTE (ngunn @ Aug 16 2006, 05:51 AM) Wha...   Aug 16 2006, 11:32 PM
|- - ngunn   QUOTE (alan @ Aug 17 2006, 12:32 AM) I do...   Aug 17 2006, 01:39 PM
|- - punkboi   QUOTE (ngunn @ Aug 17 2006, 06:39 AM) Tha...   Aug 24 2006, 05:57 AM
- - Myran   ....nor Pluto.   Aug 24 2006, 03:12 PM
- - volcanopele   Nor Earth IMHO   Aug 24 2006, 03:57 PM
|- - stevesliva   QUOTE (volcanopele @ Aug 24 2006, 11:57 A...   Aug 24 2006, 04:00 PM
- - djellison   With the number of NEO's and Earth crossing at...   Aug 24 2006, 04:02 PM
- - Myran   A farce - well yes thats what the cartoonist appea...   Aug 24 2006, 04:10 PM
- - Betelgeuze   ...and again Ceres lost its planethood I was real...   Aug 24 2006, 08:16 PM
- - Jyril   Again? It is a dwarf planet now, not only an aster...   Aug 24 2006, 08:19 PM

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