18-3 Rockets and Satellites
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20 terms
Terms | Definitions |
|---|---|
 Propulsion | The act or process of driving, or causing something to move, forward or onward |
| Newton's Third Law of Motion | For every force, or action, there is an equal or opposite force, reaction. |
| Hot gas | what most fuels in rockets produce in order to propel the rockets |
| Robert H. Goddard | The American scientist who experimented with rockets and liquid fuels in the 1920's. |
| Konstantin Tsiolkovsky | The Russian scientist who came up with the idea of the multistage rocket in 1902. |
| Liquid Rocket Fuel | A fuel which enabled rockets to travel further. |
| Multistage Rockets | Rockets which have a number of fuel containers. After the fuel in a container is used, the container falls off of the rocket. |
| Satellite | Any natural or artificial object that revolves around another object in space. |
| Sputnik I | the first human-made satellite (created by the Soviet Union) |
| Explorer I | the first U.S. satellite in space |
| Yuri Gagarin | the first human to go into space ( he was a Soviet cosmonaut; he orbited the Earth; he did this on April 12, 1961) |
| Some of the Uses of Artificial Satellites | telephone calls; broadcasting television programs; photographing items on Earth and in space; navigation; collecting weather data |
| Geosynchronous Orbits | an orbit in which a satellite revolves around the Earth at the same rate at which the Earth rotates; consequently, from Earth, the satellite appears to stay in one place. |
| Space Station | an artificial satellite in which people can live |
| Salyut | the first human-made space station (produced by the Soviet Union and launched in 1971) |
| Skylab | the U.S.'s first space station; launched in 1973 |
| Mir | the Soviet Union's space station in the 1980's |
| International Space Station | a multi-national space station created by 16 different countries with operations continuing until at least 2015 |
| Space Shuttle | the U.S.'s reusable space vehicle which was developed in the late 1970's |
| The First Rockets | built by the Chinese around the year 1000 and used gunpowder as a fuel |
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