That may mean we end up with 12 planets rather than 8, but Pluto does deserve to be described as a planet even though it wanders in and out of Neptune's orbit.
Followers of my blog will have seen the NHS question about how many reorganisations have we had. We've yet another. The number of PCTs (Primary Care Trusts) nationally is to halve. This means merging East and North. (and then probably HoB and south). It would be nice if people would stick with one structure. There is a quotation ( Which sadly does not appear to be a true quotation ) We trained hard . . . but it seemed that every time we were beginning to form up into teams we would be reorganized. I was to learn later in life that we tend to meet any new situation by reorganizing; and a wonderful method it can be for creating the illusion of progress while producing confusion, inefficiency, and demoralization. But has to have been originated by someone. The web link shown goes through the derivation which appears to be more linked to an anonymous British Soldier WW2 than any Roman or Greek General called by a name perming 2 out of (Gaius, Galus, Petronius and Arbiter). From the...
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Ceres was originally deemed a planet until other asteroids were found. Finding other TNOs puts pluto in a similar category.
Pluto is not always TNO. It also has a moon.
That should be pretty good. Something that orbits the sun and either dominates its orbit or has something that orbits it.