Merge or overlap
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by edsoniat
The red shift makes me think overlap but these tube interacting.
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by Budgieye moderator
Different colours, no disturbance, so I think overlap too.
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by bjdouma
The problem is that merge may look like overlap and vice versa.
To distinguish, you're basically asked to perform an analysis of the physics based on a -offten-- fuzzy picture.
Can't be done.
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by Budgieye moderator
Well, you are correct. It can't be done with precision. But our guesses are often quite good.
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