how to identify weather a galaxy is expanding or not ????
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by ElisabethB moderator
There is no way to tell from just a picture whether a galaxy is expanding or not.
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by pritesh_haryan in response to ElisabethB's comment.
so could u please tell me how to do it ???
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by ElisabethB moderator
I'm not sure what you mean by a galaxy expanding/compressing ?
Galaxies can merge or get disturbed by interaction with other galxies; This effect you can see if the galaxies look distorted.
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by pritesh_haryan in response to ElisabethB's comment.
distortion in what sence ????
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by ElisabethB moderator
see this thread : http://talk.galaxyzoo.org/#/subjects/AGZ0002gqk
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by pritesh_haryan in response to ElisabethB's comment.
thank u it was great ............
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