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Measurements for the Space Age
The Nature of Space
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acceleration of gravity acceleration produced altitude apogee apogee and perigee approximately astronaut Astronomical Unit atmosphere body in orbit booster burn-out burning centripetal force Chapter circular orbit compute constant craft Earth's atmosphere eccentricity ellipse elliptical orbit equal equation escape velocity exhaust velocity feet per second Find formula Galaxy horizon increase launch Mars mass ratio mathematics maximum velocity measured Mercury miles per hour miles per second minutes Moon motion natural logarithms Neptune Newton's Law nozzle obtain orbital velocity oxygen parallax parsecs payload percent perigee period planets pounds per square pull of gravity radius reach Reciprocals rotation satellite Saturn sea level second per second semi-minor axis Solar System space age Space Flights spacecraft specific impulse speed of light square inch star surface gravity Syncom thrust produced thrust-to-weight ratio tion tons total impulse V-2 rocket Vn VlON