Credits: NASA/JPL-Caltech/UCLA
Located about 6,000 light-years from Earth, the Heart (right) and Soul (left) nebulas compose a vast star-forming complex that makes up part of the Perseus spiral arm of our Milky Way. The Perseus arm lies farther from the center of the Milky Way than the Sun. The nebulas are marked by giant bubbles that were blown into surrounding dust by radiation and winds from stars less than a few million years old — youngsters in comparison to the Sun, which is nearly 5 billion years old.
Read more about this image here: https://www.nasa.gov/mission_pages/WISE/multimedia/wiseimage20100524.html
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