Galaxy Zoo Talk

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by Bertvp

What is this? I'm a rooky so I'm just asking :p

Posted July 20, 2013 7:22 PM
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 July 20, 2013 8:51 PM

Subject: AGZ0002blh

by thiru6466

I cant figure this green beam

Posted August 1, 2013 4:26 PM
by planetaryscience

only shows up in a single filter because it is so fast. that is what causes this artifact that is very common among galaxy zoo images.

Posted August 1, 2013 4:30 PM
by planetaryscience

the green beam you see in this image is an artifact caused when a satellite orbiting the earth streaks across the image, causing a line that

Posted August 1, 2013 4:30 PM