[extropy-chat] Re: SPACE: new planet?

Spike spike66 at comcast.net
Sat Feb 21 03:35:48 UTC 2004

> Mike Lorrey wrote:
>  >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
> What is "round"?
> - Joe

And what is "independent"?  Any definition that would
exclude Luna would also take out Earth.


More information about the extropy-chat mailing list