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| | Librarians' Internet Index: http://www.lii.org/pub/topic/astronomy |
 | | Topics include cosmic rays, effect of force, gas particles, kinetic energy, lunar phases, refraction, the scientific method, scientific notation, seasons, seismic waves, simple machines, stars, the angle of the sun, tides, and wave basics. |
 | | Topics include understanding shadows, verifying the size and location of the sun, building a model lunar settlement, demonstrating the principles of rocketry, and making an astrolabe and model of the solar system. |
 | | Search by moving from a general menu through a series of sub-menus or by browsing through a list of terms taken from the menu headings. |
| lii.org /pub/topic/astronomy (890 words) |
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