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Solar System

TermDefinition
Solar System Consists of the sun,planets their moons, meteors, astroids and comets
Milky Way Galaxy the galaxy in whichsolar system is located
Gravity the force that pulls two objects together; it pulls us towards eath and it keeps the planets motion around the sun
astronomy The studies of the moon, stars, and other objects in space
axis an imaginery line that passes through Earth's center and and the north and south pole, about which earth rotates
rotation the spinning motion of a planet about its axis
revolution the movment of an object around another object ( planets revolve around the sun; moon(s) revolve around their planets)
orbit the path of an object as it revolves around another object in space
tides the daily rise and fall of Earth's water on shore
Gravity 2nd Definition The attractive force between two objects; its magnitude depends on their masses and the distance between them
satellite any object that revolves around another object
phase one of the diffrent shapes of the moon as seen from Earth
crater A round pit on the moon's surface
maria dark, falt regions on the moon's surface
core the centeral part of the sun, where Nuclear fusion occurs
comet (dirty snow) a ball of ice and dust whose orbit is usally a long narrow ellipe; it has a "glowwing tail' up to 100 miles long
asteroid (minor planet or planetoids) : objects revolving around the sun that are too small ant too numerous to be considered planets
asteroid belt the region of the solarsystem between the orbits of mars and jupiter, where many asteriod are found
meteoroid a chunck of rock or dust in space
meteor (shoting star ) a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere
meteorite a meteoride that has hit Earth's surface
Space station a man-made laboratory orbiting the earth
Created by: 3116921
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