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Sun-Earth-moon

TermDefinition
Satellite is a body that orbits a planet
Star A giant ball of superheated gas, or plasma, composed of hydrogen and helium
Plant Spherical, orbits the sun, larger mass that nearby objects
Meter Is a streak of light produced when a small piece of rock or ice
Comet Is cold mixture of dust and ice that develops a long trail of light
Sun Largest object in our solar system
Observations Of the sky with his n
Ellipse Oval shape of the planets’ orbits
Heliocentric Sun-centered model
Geocentric Earth-centered model
Constellation A pattern or group of stars that people imagine represents a figure, animal, or object
Axis Imaginary line that passes from the North to South Pole
Rotation Spinning around its axis
Revolution Is the movement of one object around another
Orbit Around the sun
Solstice Earth is most tilted towards or away from the sun which causes the longest and shortest daylight of the year
Equinox Earth is not tilted towards the sun which causes equal day and night
Gravity Fore that attracts all objects towards each other
Law of universal gravity Every object attracts every other and it’s
Inertia Tendency that keeps planets in motion
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 Earth is directly between the moon and Sun
Umbra Darkest part of a 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-1979400
 

 



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