The 1983 infrared source
What the IRAS telescope saw, what the newspapers reported, and how the story grew.
-
The 1983 Infrared Survey That Became Planet X
A Washington Post story in late 1983 reported an unidentified infrared source that might have been a planet. The detection was real. So was the follow-up work that identified it, and that is the part the retellings leave out.