에너지가 있는 곳으로
과학동아 1987년 09호
atmosphere, people, wildlife and so on.The project had been advanced by Peter E. Glaser of Arthur D. Little Inc. in Cambridge, Mass., in the 1960s and NASA had considered the possibility in the 1970s. However, cost and environmental considerations seemed to kill American interest.Now, however, the Soviets have picked up the idea. They have a new rocket, "Energia," which is at least four times ...
