And problems heat up for the space shuttle Challenger
"The scientists are walking three feet in the air. They're absolutely ecstatic." So said a NASA spokesman last week as data began pouring down from one of the most unusual instruments ever launched into space. The cause of the jubilation is a one-ton cylindrical-shaped object called the Infrared Astronomical Satellite, or IRAS. A first of its kind, the solar-powered spy in the sky will literally show the universe in a new light.
Peering into the heavens from its orbital perch, the $180 million robot observatory "sees"...