[Data-modeling] Astronomy: Discovery Properties

[Danny Hillis]

On May 2, 2008, at 6:10 PM, Gordon Mackenzie wrote:
>
> So Celestial Object would have added specifically:
>
> Discoverer, Discovery Date, Discovery Method, Discovery status,
> Discovery Institution/organization
>
> And then remove/move the data for the related discovery properties in
> Planet/Asteroid/Comet  types to the equivalents in Celestial Body.
> Planet type might have both jupiter and earth-based radius and mass
> properties.
>

Gordon,
Have you thought about how the discovery of a planet get modeled as an  
Event?
-Danny