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chandra.harvard.edu
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Chandra is NASA's official X-ray Observatory website, providing mission overview, science highlights, an image gallery, data archives, and educational resources for students and educators to explore high-energy astrophysics.
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Official NASA website providing space exploration news, mission data, astronomical research, and educational resources.
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Cosmic Origin of the Chemical Elements
Explore the astrophysical origins of elements in this course by Prof. Anna Frebel. Discover how stars forge the building blocks of our universe!