Course Description
Introduction to Astronomy provides a quantitative introduction to the physics of the solar system, stars, the interstellar medium, the galaxy, and the universe, as determined from a variety of astronomical observations and models.
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Astronomers selected an uncluttered area of the sky in the constellation Ursa Major (the Big Bear) and pointed the Hubble Space Telescope at a single spot for 10 days. The many, separate exposures combined made the Deep Field image above. (Image courtesy of R. Williams, as presented on NASA’s Astronomy Picture of the Day site.)