| Name | Expertise | Status |
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Tom Whiting
U.S.
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| I can answer most basic questions about space flight and planetary
exploration from an astronomy standpoint, but not from a computer
or electronics standpoint. (No astrology questions, please)! | Available
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Kenneth Renshaw
U.S.
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| Answer basic space flight questions, research info on specific space flights. Answer questions on astronomy | Available
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Rangutan
Germany
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| I can answer questions in German as well as English. I can answer most questions about the past, present and future space missions. As a hobby since the 1969 Moon Landing, I have been watching and studying space travel and have many resources and theories concerning the future. | Available
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| Recent Answers |
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2008-09-27 fuel: Hi, James, thanks for writing. The shuttle uses hydrogen in the external tank to feed the main engines, combining it with oxygen, and producing a clean exhaust, water steam. The solid rocket boosters...
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2008-09-21 Apollo Launch Umbilical Tower (LUT): Hi Michael The three towers were put aside after the Apollo Program ended. The two launch pads 39A and 39B were reconfigured for shuttle launches. The shuttle needed a totally new pad and tower design...
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2008-09-15 How long does it take to travel between planets?: Hi, thanks for writing. Your figures are well in the ball park, except the Moon-Earth would probably be less than 3 days. Apollo made the trip in about 4 days, but New Horizons made the distance to the...
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2008-09-11 Layers of the Atmosphere: Hi Michael The atmosphere is of a complicated structure and of unlimited layers. The very basic layers are: - exosphere - thermosphere - mesosphere - stratosphere - troposphere See also: http://www...
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2008-09-11 question: Hi, thanks for writing. Since the discovery of the cosmic background radiation (the leftover light from the bang), the big bang theory is pretty well the accepted theory, rather than the steady-state...
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