star not #merging galaxy
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by suelaine
I think that there is a star in the foreground that appears to be a merging galaxy. Question : How close to a galaxy does another galaxy have to be to consider the two to be merging galaxies?
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by ElisabethB moderator
The white object is indeed a foreground star, so no merger here .
As for your other question: for me it is a question of disturbance.If there is some visible disturbance/interaction it's a merger for me.
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