Some theories challenge Einstein and say Gravity moves slightly slower than light (or Gamma rays), if the Gamma Ray Flash and the LIGO/VIRGO gravity event observed a few days ago really are correlated then we should be able to measure any potential difference between these 2 speeds with enormous precision.
Gamma Ray Bursts last between a fifth of a second and 2 seconds (giving off more energy in the process than our sun will in its entire 10 billion year lifetime) and the gravity pulse that LIGO/VIRGO saw was probably even shorter. If they both started off at the same place and at the same time 134 million years ago and they arrive here at the same time to the limits of our best measurements then there sure can't be much difference between the speed of gravity and the speed of light. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

