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jtbell
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Flatland said:As I understand it neutrinos don't travel at c.
Correct, they don't, precisely because their mass is non-zero.
Flatland said:As I understand it neutrinos don't travel at c.
phyti said:At the speed of light, clocks stop, there is no time!
You don't travel in time, back or forth.
At the speed of light, clocks stop, there is no time!
You don't travel in time, back or forth.
piersdad said:this explains why we can see light from billions of years ago.
the photon leaving the far galaxy experiences no time so arrives here instantly unless slowed by gravity of a massive object
piersdad said:this explains why we can see light from billions of years ago.
the photon leaving the far galaxy experiences no time so arrives here instantly unless slowed by gravity of a massive object
piersdad said:gravity bends light
a recent observation of a very old gamma ray burst lasted several seconds or more because of some effect that stretched the waves over time and distance .
what i wanted to decribe is
that if you were a- photon -travelling over distance you will not experience any time even to us as an observer billions of years go by.