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Sun-earth-moon

TermDefinition
Satellite Body that orbits the planet
Star Giant ball of superhead gas or plasma composed of hydrogen and helium
Planet A planet is s object that orbits the sun
Meteor A streak of light produced when a small piece of rock or ice known as a meteorite burns up as it enters earths atmosphere.
Comet A comet is a cold mixture of dust and ice that develops a long trail of light as it approaches the sun.
Constellation A pattern or group of stars
Geocentric Earth centric model
Heliocentric Sun centered model
Ellipse Oval shape of the planets orbits
Axis An imaginary line that passes from the North Pole, through the earths center to the South Pole.
Rotation Spinning of earth on its axis
Revolution the complete rotation of an object around an axis
Orbit Curved path of a object
Solstice Earth is most tilted forward or away from the sun which causes the longest or shortest daylight of the year
Equinox Earth is not tilted toward the sun which causes equal day and night
Gravity Force that attracts all objects toward each other
Law of universal grantstion Every object attracts every other and its force depends on mass and distance.
Phase Different shape of the moon you see
Solar eclipse When the moon passes directly between the earth and sun during a full moon
Lunar eclipse Occurred during a full moon when earth is directly between the moon and sun
Umbra Darkest part of a shower where light is completely blocked
Penumbra Area of a light where light is partially blocked
Tide Daily rise and fall of ocean water
Spring tide Higher high tides during full and new moons
Neap tide Lower high tides during the first and third quarter moons
Maria Dark,smooth,lava covered areas on the moon
Higher lighter areas on the moon covered with craters
Created by: user-1979402
 

 



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