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September 13.docx

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Department
Astronomy
Course
AS101
Professor
Shohini Ghose
Semester
Fall

Description
AS 101 - September 13, 2011 What makes up the universe?  Mostly empty space  But, many kinds of astronomical objects, gaseous clouds, dust, energy and even dark matter in space Sun: A large, glowing ball of gas that generates energy through nuclear fusion. Planet: A moderately large object, which orbits a star, it shines by reflected light. Planets may be rocky, icy, or gaseous
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