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Astronomy 201: Planets

Resources especially compiled for students taking Astronomy 201.

Books on Planets @SAU Library

Best Bets Databases

Neptune from First Voyager 2 Flyby
Creator/Photographer: NASA

Explore other Planets

NASA ScienceCast: Weird Planets

Once, astronomers thought planets couldn't form around binary stars. Now Kepler has found a whole system of planets orbiting a double star. This finding shows that planetary systems are weirder and more abundant than previously thought.

For more videos, visit NASA on