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Recent Podcast
A Tour of SDSS J103842.59+484917.7
A Tour of SDSS J103842.59+484917.7
One hundred years ago this month, Albert Einstein published his theory of general relativity, one of the most important scientific achievements in the last century. (2015-11-24)

2013: A Year with the Chandra X-ray Observatory

Caption: The Chandra images included in this brief 2013 retrospective are drawn from dozens of images posted to the Chandra web site (from among hundreds of datasets taken) in the past year to show the breadth and depth of research done using Chandra. Luminous, turbulent, young stars, old stars at the end of their evolution, supermassive black holes, clusters of galaxies and more. Explore these results at

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