what's that?
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by infestedivy
Dust? gas? what else?
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by zoob1172
#spiral with starforming activity see discussion at https://www.galaxyzoo.org/#/examine/AGZ000cxw3 and similar type 1237678620091810084
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by Budgieye moderator
Dust is always dark. Gas only shines is there is a bright light shining on it. The blue colour is lots of hot blue stars formed after a collision.
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