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Baseball Lesson The Universe. Grade 6. Earth and Its Place in the Universe. The student will investigate the structure of the universe. Terms. Nebula - gas and dust Protostar - forms from nebula Heliocentric - sun is center of solar system Geocentric - earth is center of solar system.
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Baseball LessonThe Universe Grade 6
Earth and Its Place in the Universe • The student will investigate the structure of the universe.
Terms • Nebula - gas and dust • Protostar - forms from nebula • Heliocentric - sun is center of solar system • Geocentric - earth is center of solar system
Terms • Kepler - discovers elliptical orbits • Copernicus - heliocentric view of solar system • Ptolemy - geocentric view of universe • refracting telescope - uses mirrors to gather light
Terms • spiral galaxy • shaped like a pinwheel • elliptical galaxy • shaped like a flattened oval • Big Bang Theory • explains origin of universe • classifiction of stars • temperature, brightness, and size
Terms • corona • outermost layer of sun • nuclear fusion • produces energy in sun and other stars • hydrogen • element makes up 60% of stars • black hole • follows supernova of giant star
Terms • white dwarf • follows nova of medium sized star • protostar • early stage of star, formed from nebula • Hertzsprung-Russell diagram • compares temperature and brightness of stars • refracting telescope • uses lenses to gather visible light
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