Word: orbit
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...January of 1978, the Soviet spy satellite Cosmos 954 dropped out of orbit and fell to earth. It did not completely disintegrate in the atmosphere. Instead, debris from the satellite fell across almost 40,000 square miles of northwest Canada. Metal from the sky is frightening enough, but this metal was radioactive...
...still remains in the atmosphere. And just a few months ago, Cosmos 1900, a satellite also containing more than 100 pounds of enriched uranium 235, burned up in the upper atmosphere. Luckily, the satellite jettisoned its nuclear reactor, which is still floating in space, at a higher, longer-lived orbit...
...said, "that's going to be a long, long lightcord that goes down to the surface of the earth." Ten percent of the SDI budget goes towards developing satellites powered by nuclear bomb pulses and nuclear reactors; current plans call for up to 100 to be put into orbit...
...Department of Energy contracted a study into the possible dangers of sending a nuclear reactor into orbit. Steven Aftergood, who heads the Committee to Bridge the Gap, a public interest group that concentrates on nuclear policy issues, knew that there was a joint DOE-SDI-NASA project to develop the SP-100, a space-based nuclear reactor. The SP-100 is in its final design stages, and a prototype is to be constructed in the next few years; deployment is tentatively scheduled for the mid- or late-1990s. Aftergood requested the DOE study through the Freedom of Information...
...next mission of the space shuttle Discovery. Last week a hapless worker, whose name has been withheld to protect him from humiliation, tripped on the tail of his lab coat and piled into the exhaust nozzle of a space rocket that is to ferry an important communications satellite into orbit next February. The accident caused a crack in the heat-resistant carbon nozzle that was too serious to be fixed with a simple patch, and NASA will have to replace the entire first stage of the expensive rocket. Total cost: about $6 million...