9 Grammatical Pitfalls

goddard, robert hutchings

goddard, robert hutchings in Science
American physicist who developed numerous rockets and rocket devices, including the first successful liquid-fueled rocket (1926), the first instrument-carrying rocket that could make observations in flight (1929), and the first rockets to exceed the speed of sound.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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