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Sun earth moon

TermDefinition
Satellite a body that orbits a planet.
Star is a giant ball of superheated gas, or plasma, composed of hydrogen and helium.
Planet Spherical, orbits the Sun, with a larger mass than nearby objects
Meteor a streak of light created by rock in space
Comet Made of gas, dust, and ice that develops tail as it revolves around the Sun
Constellation A pattern or group of stars that people imagine represents a figure, animal, or object
Sunw The largest star in our solar system
Geocentric Earth centered model
Heliocentric Sun centered model
Ellipse The oval shape orbit of each planet
Axis An imaginary line that passes through the north and south poles.
Rotation The spinning of earth on its axis
Revolution The movement of one object around another
Orbit Earths path around the sun.
Solstice One day per year when the sun appears highest in the sky.
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 gravitation Pull of gravity 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 between the earth and sun
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
Created by: user-1978833
 

 



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