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Transcript
SOLAR SYSTEM STUDY GUIDE The Sun The sun is composed of gases – helium and hydrogen The sun is composed of layers – core, radiative zone, convective zone, photosphere, chromosphere, corona The corona is hotter than the surface of the sun The sun is the closest star to us The sun is the center of our solar system and provides light and energy Why is the sun the largest star visible in the sky? The Moon The moon orbits Earth It takes about 28 days for the moon to revolve around Earth It reflects the sun's light Earth/Moon/Sun System The Planets The planets in order from the sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune The planets that are composed of gases: Jupiter, Saturn, Uranus, Neptune The planets that are composed of rock: Mercury, Venus, Earth, Mars The inner planets are: Mercury, Venus, Earth, Mars The outer planets are: Jupiter, Saturn, Uranus, Neptune Why are the inner planets warmer than the outer plants? Why are the outer planets cooler than the inner planets?
