A Deeper View

The image on the left is a visible-light view of the Trifid Nebula. The other three are infrared views taken by the Spitzer Space Telescope. The Trifid Nebula is a large star-forming cloud of gas and dust about 5,400 light-years away in the constellation Sagittarius. The false-color Spitzer images allow us to look inside the dark lanes of dust are visible trisecting the nebula in the visible-light picture and see regions of star-forming activity. Spitzer uncovered 30 massive embryonic stars and 120 smaller newborn stars in the nebula. The new stars are visible in the Spitzer images as yellow or red spots.

Image Credit: NASA

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