Galaxy Zoo Talk

Green line!

  • M.Alexandru by M.Alexandru

    What is that green line???

    Posted

  • ElisabethB by ElisabethB moderator

    Hi M. Alexandru and welcome to the Zoo

    The green line is a satellite trail. The satellite reflects the unlight and since it moves so ast it gets caught in just one filter. The green one in this case. Satellite trails can also be red or blue in these SDSS images.

    Happy hunting ! 😄

    Posted