Mike Brown discovered those "three or four" Kuiper belt objects to which you refer (at least if you're thinking of Eris, Sedna, and Haumea) and has the credenti

Mike Brown discovered those "three or four" Kuiper belt objects to which you refer (at least if you're thinking of Eris, Sedna, and Haumea) and has the credentials to snark all that he wants to. His book, "How I Killed Pluto And Why It Had It Coming", is a great read, highly recommended.