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More Images of Chandra Archive Collection
1
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X-ray & Optical Images of Westerlund 2
A cluster of young stars — about one to two million years old — located about 20,000 light years from Earth. Data in visible light from the Hubble Space Telescope (green and blue) reveal thick clouds where the stars are forming. High-energy radiation in the form of X-rays, however, can penetrate this cosmic haze, and are detected by Chandra (purple).
(Credit: X-ray: NASA/CXC/SAO/Sejong Univ./Hur et al; Optical: NASA/STScI)

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