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Topic 11: Lesson 1: Movement in Space

a body that orbits a planet satellite (moon)
a giant ball of super-heated gas or plasma, composed of hydrogen and helium star
an object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit of any debris planet
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 meteor
a cold mixture of dust and ice that develops a long trail of light as it approaches the sun comet
a pattern or group of stars that people imagine represents a figure, animal or object constellation
Earth-centered model of the solar system where all the planets and stars circle Earth geocentric
sun-centered model of the solar system where all the planets and stars circle the sun heliocentric
oval shape ellipse
Created by: ScienceWTRMS