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2021-03-09: How Does Gravity Affect Light?
05:28
: Let’s look at it from the perspective of a
non-accelerating observer
outside the ship.
2017-01-19: The Phantom Singularity
05:50
: Every inertial, so
non-accelerating observer,
will agree on the same space time interval for every pair of events and for every world line.
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