Lagoon Nebula, optical image
Lagoon Nebula, optical image. This giant cloud of gas and dust is a starbirth region. It is around 4000 light years from Earth in the constellation of Sagittarius. The area covered by this image is around 2 light years across. The optical (visible light) data (blue and white) is from the Mount Lemmon Sky Center in Arizona. Image published in 2018. For this image combined with X-ray data, see image C046/3291.
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