"Sir, Your letter of the 15th is received, but Age has long since oblidged me to withold my mind from Speculations of the difficulty of those of your letter, that there are means of artificial buoyancy by which man may be supported in the Air, the Ballon has proved, and that means of directing it may be discovered is against no law of Nature and is therefore posible as in the case of Birds, but to do this by machanical means alone in a medium so rare and unassisting as air must have the aid of some principal not yet generaly known. However, I can really give no opinion understandingly on the subject and with more good will than confidence wish to you success."
—Thomas Jefferson, April 27, 1822 |
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| | by Kenneth R. Lang and Charles A. Whitney
Paperback. From the earliest of times, the human race has pondered upon the nature of the Heavens. The moons and planets have changed from mere points of light to fascinating diverse worlds. ... more
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| | by David M. Harland and John E. Catchpole
Paperback. Creating the International Space Station is the first comprehensive review of the historical background, rationale behind, and events leading to the construction and commissioning of the ISS.
The authors describe the orbital ... more
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| | by Robert Godwin
Paperback. Complete with photographs and drawings from Russia's Rocket & Space Corporation Energia, this Pocket Space Guide is a condensed history of the Russian Space Program from 1946 to the present day.
In ... more
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| | by David M. Harland
Paperback. In spite of the Challenger and Columbia disasters, the US Space Shuttle, which entered service in 1981, remains the most successful spacecraft ever developed. Conceived and designed as a reusable spacecraft ... more
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| | by Brian Harvey
Annual Update on Space Launches, Missions and Events
Hardcover. The aim of the Space Exploration series is to provide an annual update on recent space launches, missions and results—to be published every year in September. The annual will cover space ... more
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| | by Andrew Chaikin, Forward by James A. Lovell
Paperback. From Yuri Gagarin and the earliest days of space exploration through February 2004, this volume presents chronologically arranged views of space, space ships, astronauts and planets. The text is comprised of ... more
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| | by Joseph A. Angelo
Hardcover. This dictionary contains approximately 1,500 cross-referenced entries that present the basic concepts and phrases used in the evolving science of space, spaceflight and space technology. Illustrates recent advances. For students, teachers ... more
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