How does the actual three-dimensional arrangement of the stars in Orion's Belt differ from how they appear from Earth?

Answer

They form a staggered line in space, appearing straight only due to perspective.

While they look nearly straight from Earth, their actual distances vary significantly, meaning they form a staggered line in three-dimensional space.

How does the actual three-dimensional arrangement of the stars in Orion's Belt differ from how they appear from Earth?
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