25.1 MB (2.0 MB compressed)
3602 x 2439 pixels
30.5 x 20.6 cm ⏐ 12.0 x 8.1 in (300dpi)
RUSSELL CROMAN / SCIENCE PHOTO LIBRARY RUSSELL CROMAN / SCIENCE PHOTO LIBRARY
Wild Duck star cluster (M11), optical image. This is a dense cluster of nearly 3000 stars that all formed from the same cloud of gas around 220 million years ago. The cluster lies around 6200 light years from Earth in the constellation Scutum.
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