Bhupendra Jasani and Martin Rees, in The Bulletin of the Atomic Scientists (Oct. 1989), 6042 S. Kimbark, Chicago, 111. 60637.
Space may be the Final Frontier, but it is also fast becoming the Ultimate Junkyard.
In addition to the roughly 350 active sat- ellites orbiting the Earth in "inner space," there are some 7,000 hefty pieces of space garbage-including upper stages of launchers, booster motors, and dead satel- lites. Far more hazardous are the 30,000- 70,000 pieces of junk, ranging...