NGC 6240 is a nearby ultraluminous infrared galaxy (ULIRG) in the constellation Ophiuchus. The galax
NGC 6240 is a nearby ultraluminous infrared galaxy (ULIRG) in the constellation Ophiuchus. The galaxy is the remnant of a merger between two smaller galaxies. The collision between the two progenitors has resulted in a single larger galaxy with two distinct nuclei and a highly disturbed structure, including faint extensions and loops. At the centre of NGC 6240 there are two supermassive black holes spiraling closer and closer to one another.ESA/Hubble -- source link
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