Image: Westerlund 1
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Westerlund_1.jpg (574 × 574 pixels, file size: 381 KB, MIME type: image/jpeg)
Description: This image shows the star cluster "Westerlund 1" in infrared light as observed by the 2 Micron All-Sky Survey (2MASS). The field of view is approximately twice as large the Chandra image. Scale: Image is 13 arcmin per side
Title: Westerlund 1
Credit: http://chandra.harvard.edu/photo/2005/wd1/more.html#wd1_ir
Author: Credit: 2MASS/UMass/IPAC-Caltech/NASA/NSF
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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