X-ray specs; Space telescopes.(Satellite observatories) From: The Economist (US) | Date: August 28, 2004 | COPYRIGHT 2004 Economist Newspaper Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Spitzer's view of a stellar nursery

Two of NASA's flagship satellites celebrate their birthdays

IN 1680, the light from a supernova (a massive, exploding star) in the constellation of Cassiopeia reached Earth. Surprisingly, the event went almost unnoticed. It was recorded--and then only in passing--by John Flamsteed, England's first astronomer royal. After that it was forgotten until astronomers started to examine the sky in frequencies of the electromagnetic ...