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1 Ceres - Wikipedia - http://en.wikipedia.org/wiki/1_Ceres
Article describes discovery, history and status, and physical and orbital characteristics. |
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Astronomy Picture of the Day - http://apod.nasa.gov/apod/ap060821.html
Hubble Space Telescope picture of Ceres, with links to other resources. |
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Largest Asteroid May Be Mini Planet - http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/27/text/
HubbleSite press release describes possible water ice and differentiation of material which may affect classification. |