Galaxy Zoo Talk

Laserbeam :)

  • DeepSpaceAlien by DeepSpaceAlien

    Could it be or is it just an artifact ? 😃

    Posted

  • ElisabethB by ElisabethB moderator

    The green line is a satellite trail.
    The satellite reflects the sunlight and because it moves so fast it gets caught in just one filter.
    Satellite trails can also be blue or red.

    Posted