Hubble Space Telescope imagery of galaxy ESO 381-12 (a.k.a. PGC 4287) may show the after effects of a galactic merger. Telltale 'shells' of gas and dust could be results of "shock waves through its structure much like ripples in a pond."
Hubble Space Telescope imagery of galaxy ESO 381-12 (a.k.a. PGC 4287) may show the after effects of a galactic merger. Telltale 'shells' of gas and dust could be results of "shock waves through its structure much like ripples in a pond."
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