Pseudo-science and road apples...
Hi All
Astro, the IRAS observation just didn't pan out as a planet - it was a highly bright infra-red galaxy...
http://www.badastronomy.com/bad/misc/planetx/science.html#iras
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1985ApJ...290L...5H&db_key=AST&high=3ccf23290006822
...the simple fact is a newspaper report blew an off-the-cuff statement out of proportion.
There might be a Planet X as big as Jupiter a long way out, there are almost certainly a few Pluto-sized objects closer in, but the idea of a NASA conspiracy is pure road-apples!
Adam
PS that's canuck for frozen deer poo.