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8th Topic 1 Lesson 1

8th Topic 1 Lesson 1 Vocabulary

TermDefinition
Satellite a body that orbits a planet
Star a giant ball of superheated gas, or plasma, composed of hydrogen and helium
Planet an object that orbits the sun, is large enough to have become rounded by its own gravity
Meteor a streak of light produced when a small piece of rock or ice, known as a meteoroid, burns up as it enters Earth’s atmosphere
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 represents a figure, animal, or object
Geocentric an Earth-centered model
Heliocentric a sun-centered model
Ellipse an oval shape, rather than a perfect circle
Observations things seen with the eyes
Created by: tori.carmichael
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