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Supernovae 3 - Solution
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A and D simultaneously, then B, then C,
then E.
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D, then A and B simultaneously,
then C and E simultaneously.
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B, then A and D simultaneously, then C, then E.
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D, then B and C and E simultaneously, then A.
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The chronological order of A and E
is NOT the same in all frames of reference.
The spacetime points A and E cannot be connected by
an object or signal which travels slower than the speed of light.
They are outside of each others light-cones.
Therefore, their chronological order will depend on the frame.
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