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Sun-Eath-Moon

TermDefinition
Star A giant ball of superheated gas, or plasma, composed of hydrogen and helium
Satellite A body that orbits a planet
Planet Spherical, orbits our Sun, with a large mass than nearby objects
Meteor A streak of light produced when a small piece of rock or ice burns up
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 represent a figure, animal, or object
Ellipse Oval shape of the planets’ orbits
Heliocentric Sun-centered
Geocentric Earth-centered model
Sun Largest object in our solar system
Rotation The spinning of Earth on its axis
Axis A imaginary line that passes from the North Pole, though the Earth’s center, to the South Pole
Revolution The movement of one object around another
Orbit Path planets follow when they revolve around the sun
Solstice Earth is directly tilted towards or away from the sun which cause the longest sun which causes the longest or shortest daylight of the year
Equinox Earth is not tilted towards the Sun which causes equal night and day
Gravity A force that attracts all objects towards each other
Law of universal gravitation Every object attracts every other and force that depends on mass and distance
Inertia The tendency of an object to resist a change 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-1979166
 

 



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