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Astronomy BA review

QuestionAnswer
what bodies make up the solar system? planets,moons, sun and other small objects.
how is the solar system being explored today? mars rover, international space station,hubble telescope.
what is Galileo known for? Italian scientist who proved the heliocentric model to b true.
what is Ptolemy known for? Egyptian scientist who modified the original geocentric model.
what is Aristarchus known for? Greek astronomer who developed the heliocentric model
what is Copernicus known for? polish scientist who revived the heliocentric model.
What are the three major surface features of the moon? maria, highlands and craters
how did the moon most likely form? after an enormous collision early in earths history
what is the nebular theory? states that the solar system from a rotating cloud of dust and gas.
what are planetesimals? asteroid-like bodies the grew by accretion to form our planets.
what is a spectrograph used for? To measure the temperature of a star.
how can astronomers determine the various elements that make up a star? most stars have
Created by: mforch
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