18:4518:45, 20 February 2015diffhist+5
m
Proper time
/ The author confuses who is assumed stationary.in the Lorentz transform. "A" is rocket ship. "B" is earth.. " A" local time is 2.5 years and "B" local time is 5 years. Each using local measurements only get 2.5 years for proper time.<ref></ref>
18:4518:45, 20 February 2015diffhist+5
m
Proper time
/ The author confuses who is assumed stationary.in the Lorentz transform. "A" is rocket ship. "B" is earth.. " A" local time is 2.5 years and "B" local time is 5 years. Each using local measurements only get 2.5 years for proper time.<ref></ref>