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Sun-earth-moon

TermDefinition
Satellite Points of light
Star A giant ball of superheated gas, or plasma
Planet Spherical orbits the sun larger mass then nearby objects.
Meteor A streak of light produced when a small piece of rock or ice
Comet 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 that people imagine represents a figure animal or object
Sun Largest object in our solar system
Ellipese Oval shape of the planets orbits
Geocentric Earth centered model
Heliocentric Sun centered model
Inertia Tendency that keeps planets in motion
Axis An imaginary line that passes from North Pole through the earths center to South Pole
Rotation The spinning of earth on its axis
Revolution The movement of one object around anither
Orbit Path planets follow when the revolve around the sun
Solstice Earth is most tilted toward or away from the sun which causes the longest or shortest daylight of the year
Equinox Earth is not titled toward the sun which caused equal day and niht
Gravity Force that attracts all objects toward each other
Law of universal gravitation Every object attracts every other and it’s 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 new moon
Lunar eclipse Occurs during a full moon when the earth is directly between the moon and sun.
Umbra Darkest part of shadow where light is completely blocked
Penumbra Area of a shadow 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
Highlands Higher lighter areas on the moon covered with craters
Created by: user-1979401
 

 



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