[extropy-chat] SPACE: How many planets?

[Joseph S. Barrera III]

Joseph S. Barrera III wrote:

>  I think Mike Lorrey proposed that criterion in this very forum :-)

Yep, here we go:

Subject: Re: [extropy-chat] Re: SPACE: new planet?
Date: Fri, 20 Feb 2004 18:11:46 -0800 (PST)
From: Mike Lorrey <mlorrey at yahoo.com>

[...]

It is actually rather easy to define a planet:
a) it has its own independent orbit around the sun, and,
b) its own internal gravity has caused it to be round