Rocket Principles: by National Aeronautics and Space Administration

By National Aeronautics and Space Administration

Book Id: WPLBN0000670154
Format Type: PDF eBook
File Size: 91.80 KB
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Title:	Rocket Principles: by National Aeronautics and Space Administration
Author:	National Aeronautics and Space Administration
Volume:
Language:	English
Subject:	Government publications, National Aeronautics and Space Administration (U.S.), NASA reference publication
Collections:	NASA Publication Collection
Historic Publication Date:
Publisher:	National Aeronautics and Space Administration Publication


Citation APA MLA Chicago And Space Administration, N. A. (n.d.). Rocket Principles. Retrieved from http://gutenberg.us/

Excerpt
Excerpt: When we think of rockets, we rarely think of balloons. Instead, our attention is drawn to the giant vehicles that carry satellites into orbit and spacecraft to the Moon and planets. Nevertheless, there is a strong similarity between the two. The only significant difference is the way the pressurized gas is produced. With space rockets, the gas is produced by burning propellants that can be solid or liquid in form or a combination of the two. One of the interesting facts about the historical development of rockets is that while rockets and rocket-powered devices have been in use for more than two thousand years, it has been only in the last three hundred years that rocket experimenters have had a scientific basis for understanding how they work...