Hubble captured the image of a swirling, wall of smoke..
About 4,350 light-years away from Earth is an open cluster NGC 6530, a collection of several thousand stars located in the constellation Sagittarius, a cluster located within the Large Lagoon Nebula, which was discovered in 1654 by the Italian astronomer Giovanni Battista Hodierna.The stars in NGC 6530 emit massive amounts of ultraviolet radiation, and … Read more