Galaxy Zoo Talk

what's that?

  • infestedivy by infestedivy

    Dust? gas? what else?


  • zoob1172 by zoob1172

    #spiral with starforming activity see discussion at and similar type 1237678620091810084


  • Budgieye 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.