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 Astronomy

AstronomyAstronomy: The scientific study of the Galaxies, Stars, Nebulae, Solar Systems and the Universe. It deals with a celestial object's relationship to the Earth, size, position, composition, motion, evolution and energy. Astronomers use telescopes, satellites, computers, space stations and observatories to study the universe.
Galactic Astronomy Stars Planetary Science The Universe
Galaxies Stars (Sun) Solar System Universe
Astrobiology Astrometry Astrophysics Glossary
Astrobiology Astrometry Astrophysics Glossary
Earth Science Science Department Resources Articles Books Videos
Earth Science Science Resources Articles Books Videos