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... drive out the lighter gases like hydrogen and helium, leaving heavier gases like oxygen, carbon dioxide and nitrogen. Volcanoes can also change a planet's atmosphere by releasing large amounts of new gas. The Earth is unique because it supports plant and animal life which converts oxygen into carbon dioxide and back again. ---- Answer ...

... 's engines fire and the Shuttle slows, drops down and encounters higher atmospheric densities. The atmosphere slows the Shuttle down to about 200 miles per hour (mph). This process creates great heat and ionization. As ... /For%20Kids/KidstoSpace.html Click here Category:Kids To Space Category:Kids To Space - ATMOSPHERE

... the atmosphere because it was moving at extremely high speed and its heat shield was damaged, which let in hot gases created by the high velocity of the vehicle passing though the atmosphere. ---- Answer provided by Robert P. McCoy, Ph.D. Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space ...

Leaving the atmosphere is easy for astronauts. All they need is a space capsule to protect them, maintain a safe temperature and provide oxygen. An astronaut's space vehicle starts slowly and gradually ... back down is much harder because all that speed and energy has to be shed quickly. When the Shuttle drops back into the atmosphere at that high speed it generates enormous heat ...

... the atmosphere at various levels. Pollution can cause an increase to the greenhouse effect which can cause increased warming of the surface of the Earth and increased cooling of the upper atmosphere. ---- Answer provided by Robert P. McCoy, Ph.D. Image:K2S logosmall.jpg Question and Answer extracted from the book Kids ...

... —and heat is transferred from the air to a Freon system, and from there to boilers that dump the heat into space by evaporating water and ammonia. Ref 1. Ref 1.NASA, National Space Transportation System Reference, Volume 1 Systems and Facilities, June ...

... ,781,400 pounds at lift off. (Ref. 1) Ref 1.NASA, National Space Transportation System Reference, Volume 1 Systems and Facilities, June 1988. This document is available on the Internet at: http ... .html sts-umbilical-doors ---- Answer provided by Jon H. Brown Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer Image ...

... writing were the war rockets of Britishers William Congreve and William Hale. It is Congreve's rockets that we sing of in our national anthem, "...by the rocket's red glare, the ... made the required mountain 20,000 feet high, placing even more of the earth's atmosphere below the gun. Finding that the gases from the detonating explosive would not expand fast ... propulsion. From the Earth to the Moon has been enormously influential on the history and development of rocketry and spaceflight. Tsiolkovsky, the great Russian theoretician who laid a great deal of the ...

... steam was “blown off through pipes carrying nozzles...” Gaebert also recommended the mixture of “atmospheric air, steam and products of combustion” while another of the inventor or inventor's concepts, but also ... machine that the inventor believed would have been capable of flight in both vertical and horizontal directions. Atmospheric air was “assumed” to be the working gas. The apparatus consisted of two main ...

... Mars, one of the most Earth-like of the planets, is today a cold, dry and barren world. However, there is good evidence that it may have been much warmer ... being undertaken by NASA and ESA and has provided additional impetus. Improved measurements of the conditions on Mars' surface and in its atmosphere are central to both agencies' plans, and current atmospheric missions are reviewed in ...

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