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Solar System: Planet

SOL Vocabulary 6.2a & b

QuestionAnswer
Astronomical Unit (A.U.) A unit of measurement used to compare objects distances in space. 1 A.U. equals 98,000,000 miles which is the ditance of the Earth to the Sun.
Moon smaller body (natural satellite) that ordits a large body such as a planet
Order the planets from closest to the Sun to farthest. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Magnetic Field a magnetic force around a planet (like Earth) that protects it from the Sun's harmful radiation (energy)
Describe charactertics of Venus 900 degrees temperatures; crushing atmosphere; rains sulfuric acid
Describe characteristics of Jupiter largest planet; has largest moon in our solar system (Ganymede)
Terrestrial Planets the inner rocky planets closest to the Sun
Gas Giants outer planets made of gas (Jupiter, Saturn, Uranus, Neptune)
Asteroid Belt a region in between Mars and Jupiter containing asteroids
rotation a planet spinning on its axis
revolution describes the movement of the planets around the Sun
gravity a force that keeps the planets and other objects in orbit around the Sun
Nebular Hypothesis Theory of how our solar system began
Describe characteristics of Mars red planet; intense dust storms
Describe characteristics of Neptune Blue planet; large blue spot (storm)
Describe characteristics of Earth Liquid water; oxygen rich atmosphere. supports life
Describe characteristics of Mercury extreme temperature swings; 88 day orbit around the Sun; 1st planet
Describe characteristics of Saturn biggest ring system; second largest planet; windy
Describe characteristics of Uranus 90 tilted axis
Created by: romanomd
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