NASA
Nasa Star Child: Infrared Astronomy Satellite (Iras) (Level 2)
A brief description of Infrared Astronomy Satellite (IRAS) project and its discoveries. Complete with graphics, links to a glossary of terms, and a printable version of the page.
Other
Fool.com: All About Ir as Introduction
A very complete source of information regarding IRAs. Links that tell about IRAs, give calculations, and prepare you for retirement are included.