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NGC 3521
NGC 3521 is a spectacular, nearby spiral galaxy. The red is from old,
low-mass stars, and the young, hot, blue stars define the spiral arms.
Traces of gas extend beyond star formation regions.
Image credit: SDSS Collaboration
This image is also available as a 125 dpi JPEG (1400 x 1050, 372 KB) or PNG (2857 KB).
