Galaxy Zoo Talk


  • LittlePandaDude by LittlePandaDude

    Look at that! What is that green beam?


  • ElisabethB by ElisabethB moderator

    Hi LittlePandaDude and welcome to the Zoo

    The green beam is 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.

    Happy hunting! 😄