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Re: (meteorobs) Excerpts from "CCNet 123/2001 - 22 November 2001"
Bag of flour? Paper bag? Yep, I definately missed something on this
thread.
Jeff W.
----- Original Message -----
From: "Rob McNaught" <rmn@aaocbn.aaodot gov.AU>
To: <meteorobs@atmob.org>
Sent: Wednesday, December 05, 2001 11:28 PM
Subject: RE: (meteorobs) Excerpts from "CCNet 123/2001 - 22 November 2001"
On Wed, 5 Dec 2001, Robert Hayden wrote:
> OK, I buy the explanation that a 10kg bag of flour will hit the moon with
> the same KE as a 10kg rock. What, then, provides for the paper bag in
your
> analogy? What keeps a 10kg "bag" of comet-stuff bound together when the
> majority of ejected mass is reduced to individual grains?
Also remember than many comets are seen to split off large chunks that
persist for a revolution or two as independent comets. These appear to
dissipate complete (and would cause a localised enhancement within a dust
trail).
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