Parts of Our Solar SystemPhotos courtesy of NASA.© Copyright NewPath Learning. All Rights Reserved. 94-4578Visit www.newpathlearning.com for Online Learning Resources.Our solar system is within the Milky Way galaxy, which is within a universe of galaxies.Parts of Our Solar SystemOur solar system includes the Sun, eight planets, the moons of each planet and other objects that revolve around the Sun. The four rocky planets closest to the Sun are known as the inner planets, and the four gaseous planets in the outer solar system are called the outer planets. The relative size of the inner planets is much smaller than the outer planets.Milky Way GalaxyUniverse of GalaxiesPluto (dwarf planet)
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