N90 vs RCW 147
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N90
N90 is an H II region and star-forming nebula located within the Small Magellanic Cloud, a dwarf galaxy near the Milky Way. It surrounds the young open cluster NGC 602, which is actively shaping the surrounding interstellar medium. Radiation and stellar winds from the cluster's hot young stars have eroded the surrounding gas, carving out ridges and triggering secondary star formation. N90 serves a...
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RCW 147
RCW 147, widely known as the Trifid Nebula or Messier 20, is a star-forming region located in the constellation Sagittarius. Discovered by French astronomer Charles Messier in 1761, the cosmic object is distinguished by its unique combination of an emission nebula, a reflection nebula, and an absorption dark nebula. Its name derives from the dark dust lanes that divide its bright central core into...
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