tbf the gravity of a sun is on a scale that puts it into black hole territory. I suppose by slingshotting around a star you could increase your gravitational state enough for time to “speed up” or “slow down”.
though, it should be noted, we have observed time travel in three states:
normal flow
slow flow
faster flow
but we have never observed an ability to roll back the passage of time. though it may be possible, it would most certainly require an exotic material (like red matter) to trigger such a perverse violation of time.
Genuine question, but does the sun’s gravity put it in black hole territory? I thought black holes had such massive gravity that not even light can escape it…and the sun produces a lot of light…
I mean more so nothing else in the universe can create such a gravitational pull than a star.
if you think about celestial bodies on a graduated scale stars and black holes are practically in the same “class”.
the difference is, you can escape the gravity of a star (with much difficulty) but you could never escape the gravity of a black hole.
that said, time dilation can happen before reaching the event horizon of a black hole. we have observed this as light emitting around a black hole, kind of like a mirage.
light, radio, magnetism, electricity are all based on different waveforms of similar energy and gravity is a constant influence to that energy. it can be used to bend or refract the beams like water does to light from an observation point.
It’s more accurate to say that gravity bends spacetime. The light we see being bent around a black hole is a consequence of that, and is evidence for time dilation as it is also evidence of space dilation. And (being extremely pedantic here, I know,) gravity bends spacetime and light travels through that spacetime in a straight line.
Being in any gravity well will slow your time ever so slightly, by the time you die your feet will be about 100-500 nanoseconds younger than the top of your head due to being closer to the earth!
tbf the gravity of a sun is on a scale that puts it into black hole territory. I suppose by slingshotting around a star you could increase your gravitational state enough for time to “speed up” or “slow down”.
this was actually observed in the Hafele–Keating experiment.
though, it should be noted, we have observed time travel in three states:
but we have never observed an ability to roll back the passage of time. though it may be possible, it would most certainly require an exotic material (like red matter) to trigger such a perverse violation of time.
Genuine question, but does the sun’s gravity put it in black hole territory? I thought black holes had such massive gravity that not even light can escape it…and the sun produces a lot of light…
I mean more so nothing else in the universe can create such a gravitational pull than a star.
if you think about celestial bodies on a graduated scale stars and black holes are practically in the same “class”.
the difference is, you can escape the gravity of a star (with much difficulty) but you could never escape the gravity of a black hole.
that said, time dilation can happen before reaching the event horizon of a black hole. we have observed this as light emitting around a black hole, kind of like a mirage.
light, radio, magnetism, electricity are all based on different waveforms of similar energy and gravity is a constant influence to that energy. it can be used to bend or refract the beams like water does to light from an observation point.
It’s more accurate to say that gravity bends spacetime. The light we see being bent around a black hole is a consequence of that, and is evidence for time dilation as it is also evidence of space dilation. And (being extremely pedantic here, I know,) gravity bends spacetime and light travels through that spacetime in a straight line.
Being in any gravity well will slow your time ever so slightly, by the time you die your feet will be about 100-500 nanoseconds younger than the top of your head due to being closer to the earth!
Given movie Superman’s powers, it’d be fair to claim he is an exotic material.