Countdown to the Invisible Universe

Synopsis

Shows how the Infrared Astronomical Satellite (IRAS), catalogued details of the infrared sky through our galaxy and beyond. It has aided in the discovery of more than 20,000 new galaxies. Discusses the difficulties of designing the IRAS satellite, as well as how and why the infrared is important to astronomical knowledge.

Series

Nova, Series

Language

English

Country

United States

Medium

Video; Videocassette. VHS (NTSC only). col. 58 min.

Year of production

1987

Availability

NOT AVAILABLE IN THE UK; 1999 sale: US$19.95 (+p&p)

Subjects

Astronomy

Keywords

galaxies; remote sensing by satellite

Distributor

Name

WGBH Boston Video, Dept C, PO Box 2284, South Burlington, VT 05407-2284