Is there only one structure of the universe?

In summary, Object A is moving towards Object B on the x axis at a high speed and they meet at (0,0). Two rocks are shown as world lines, one for each observer, with a length contraction of 1/2 for Object A. It appears that there are two different structures of the same thing in the universe, but this is not correct. This question has been asked before and the answer remains unchanged.
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student34
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(See illustration) Object A is moving, to the right, really fast towards object B on the x axis. At (0,0) they meet. There are two rocks next to each other ahead of the speeding object A. The two rocks are shown as world lines red and green as they would exist for each observer. Assume that the length contraction is 1/2 for object A.

There would seem to be two different structures of the same thing in the universe. Is this correct?
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student34 said:
There would seem to be two different structures of the same thing in the universe. Is this correct?
No. You've asked the same question in multiple previous threads, and the answer hasn't changed.

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