On Wed, 26 Jan 2011, Richard Mallett wrote:
The IAU definition of a planet as an object orbiting the Sun that has cleared
its neighbourhood seems to me to be seriously flawed, as it excludes :-
extra-solar planets (which don't orbit the Sun)
Earth (because there are near Earth objects)
On 25/09/2010 05:01, Roger Bailey wrote:
Hi Jim,
For me, Pluto is a planet. This is based on what led to its discovery, not
the rewriting of science and history by the the new generation that knows
everything and values nothing.
For a while I was on the advisory board for the Lowell
Hi Jim,
For me, Pluto is a planet. This is based on what led to its discovery, not
the rewriting of science and history by the the new generation that knows
everything and values nothing.
For a while I was on the advisory board for the Lowell Observatory. My
mountaineering friend, William
