Re: SPACE: Contaminating Europa, was: Greens on Space

From: Eugene Leitl (
Date: Wed Mar 14 2001 - 06:58:07 MST

On Wed, 14 Mar 2001, Technotranscendence wrote:

> But what about the mass exchange between celestial bodies? There does seem

1) it's assymetrical
2) Mars does not lie in the Saturnian/Jovian system

You need to model trajectories of impact ejecta within tolerable (<1
gigayear) time scale. Intuitively, it will not look very good.

> to be such an exchange between Mars and Earth. Whether this is or can be a
> significant way of spreading life remains to be seem. Surely, it's
> comparable to some insects being blown to an island -- as compared with them
> coming along on ships or planes.

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