Galaxy Zoo Talk

Knot at the end of a spiral arm

  • delete_adc0630b by delete_adc0630b

    First time I have seen this.

    Image AGZ0002rd4


  • jstoke by jstoke

    I don't know what it is, but there's also a clump near the top. Either one could account for the "broken ring" it it passed through, and could be closer or more distant.