Season 14, Episode 1 Countdown in the Invisible Universe
First Aired: January 20, 1987
The Infrared Astronomical Satellite (IRAS), a space-based telescope that in 1983 transmitted data based on the amount of heat given off by objects in space. IRAS detected six previously unknown comets, more than 20,000 galaxies, the birth of a star and a planetary system in the process of formimg.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)
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