ChemE Stewart <[email protected]> wrote:
> Comets are notoriously unpredictable and unstable so I disagree with your > celestial mechanics I was kidding partly. However, comets change more than meteors because they vent gas. They are active. If things were so predictable we could just measure them and have done with it. Small meteors can only be predicted out about 100 years. Anyway, that is why we need to look for them and measure the trajectories carefully. - Jed
