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This Month …. The Astronomical Unit or AU. Used for measuring distances within our Solar System. The Astronomical Unit (AU) is an...
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Did You know?...Lucy, the Diamond Star
Did you know? Phobos and Deimos
Did You know? All about Helium.
Did you know? Alpha Centauri
Did you know? Orion's Belt
Did you know? All things Zwicky!
Did you know? Lunar Eclipses
Did you know? Asteroids
Did you know? Sundials