The Lagoon Nebula in Stars Dust and Gas: http://apod.nasa.gov/apod/ap140924.html
The Lagoon Nebula is so bright that it can be seen without a telescope. It's located near Sagittarius and it spans 100 light years across. Inside the nebula is NGC 6530, an open cluster of stars. The nebula is called "Lagoon" due to the band of dust seen to the left of NGC 6530. The Hourglass Nebula, a knot of gas and dust, is located in center of the nebula. The Lagoon Nebula is home to many stars and it's amazing to see how there are so many things within in the "Lagoon." I love the outer ring of red color formed by M8 and how it contrasts with the white-blue in the center.
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