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Solary System

QuestionAnswer
the sun and all of the bodies that orbit it. solar system
the apparent shift in position of an object when viewed from different locations. parallax
sun centered solar system heliocentric
Greek philosopher who thought the Earth was the center of all things. Aristotle
replaced circles with ellipses in a heliocentric model. Kepler
his heliocentric model was seen as the first step in the development of modern models of the solar system. Copernicus
His observations showed that the Earth was not the only model that could be orbited. Galileo
his geocentric model of the solar system was used by astronomers for 14 centuries. Ptolemy
the measure of how bright a star would be if the star were located at a standard distance absolute magnitude
the measure of a star's brightness as seen from Earth. apparent magnitude
a large celestial body that is composed of gas and emits light star
a spherical body that orbits the sun planet
a large collection of stars,gas and dust that is held together by gravity. galaxy
the distance that light travels through space in one year light year
space and all the matter and energy in it. universe
the nearest star to the sun Proxima Centauri
the galaxy where our solar system is located milky way
the closest galaxy andromeda
the only star in our solar system sun
Created by: mstbow
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