Galaxy Zoo Talk

Confused

  • DSamie by DSamie

    Can someone pls tell me what this image is not learned and like wat is this stuff

    Alien green goo on a telescope lens

    Posted

  • ElisabethB by ElisabethB moderator

    It's a satellite trail.
    The satellite reflects the sunlight and because of its speed it gets caught in just one filter.
    Satellite trails can also be blue or red.

    Posted