Quote:
Originally Posted by tommac
Here is a simple 3 particle thing ... but it could me made as complex as you would like:
Before
A-------B-------C-----------------BH
After a gravitational pull
-A---------B---------C------------BH
Note that AB is longer and BC is longer.
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Do this on paper. Make another line (x---y---z) also pointing to the black hole, but at an angle to A--B--C.
Again, you'll get: "Note that XY is longer and YZ is longer".
BUT, you'll also get CZ getting
SHORTER.