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is a collection of Astronomy 101 reviewed digital resources for teachers and students. Topics include asteroids and comets, astrobiology, big bang theory, black holes and pulsars, cosmology, dark energy, dark matter, galaxies, historical astronomy, Milky Way, planetary astronomy, planetary geology, stellar astronomy, telescopes and satellites, terrestrial planets, planet formation, planetary atmospheres, space exploration, stars, and the sun. (National Science Foundation)
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Observations of Ceres, the largest known asteroid, have revealed that the object may be a "mini planet," sharing many characteristics of the rocky, terrestrial planets like Earth. Ceres' mantle, which wraps around the asteroid's core, may even be composed of water ice. |
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The Andromeda Galaxy |
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