The Green Beem
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by alanya17
Hello Please would you be able to help me?
I was having a go on Galaxy Zoo as David Bacon came into my school at Miltoncross and told us about it.
As I was looking through, this photo appeared and I was a bit confused on what the big green line was in the corner of the photo.I hope you will be able to message me back on what it is and help me become unconfused.
Yours Faithfully Alanya17
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by Capella05 moderator in response to alanya17's comment.
Hi and welcome Alanya 😃
The green streak is a satellite trail 😃
Satellites sometimes pass overhead as the telescope is observing and reflect light in a streak across the image as they pass by.
They move quickly so their trails are always a single color: red, green, or blue. Sometimes you can classify the central galaxy, other
times there is no central galaxy because the computer got a bit confused.Hope this helps!
Capella 😃
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