2006-10-15 12:00:07 · 11 answers · asked by ▒▒ Da Terra ▒▒ 7 in Science & Mathematics ➔ Physics
The speed of light is the limiting velocity within the space-time continuum we inhabit. Nothing we can demonstrate exceeds the speed of light. A hypothetical particle known as a tachyon which exceeds the speed of light has been postulated but if it exists it lies outside our event horizon. It can never slow down to the speed of light so we can never actually see it.
See http://en.wikipedia.org/wiki/Tachyon
2006-10-15 12:09:37 · answer #1 · answered by Seeker 4 · 0⤊ 0⤋
Nothing, because it's impossible. As an object increases towards the speed of light, it gains mass, making it harder and harder to propel. Even photons (light particles), which are massless, can't exceed the speed of light. You would expect that the light from a car travelling at, say 55mph, with the headlights on would be travelling at 55mph + the speed of light, relative to an observer watching the car travel past, but that's not the case. The light generated by the moving car travels at exactly the speed of light relative to anyone, anywhere.
2006-10-15 12:11:23 · answer #2 · answered by fury_bassman 2 · 0⤊ 1⤋
Since the speed of light is the upper limit of any velocity (including photons, since in a sense photon does have mass), nothing can reach the speed of light.
But what if something did exceed the speed of light? Then the mass will become infinite, as the theory of relativity states that faster the speed, heavier the mass.
2006-10-15 12:47:25 · answer #3 · answered by suledheluial2002 2 · 0⤊ 0⤋
Time stops and length strinks to zero if matter travels at the speed of light and it would require an infinite amount of energy (literally) to accelerate anything past the speed of light. As far as we know, you can't exceed the speed of light in a vaccuum.
2006-10-15 12:05:42 · answer #4 · answered by Anonymous · 0⤊ 1⤋
When a object goes through the sound barrier you get a sonic bang - similarly - you get a big bang when a object goes through the speed of light and the lights go out on the universe.
2006-10-15 12:11:27 · answer #5 · answered by Mike10613 6 · 0⤊ 1⤋
If on the moon and light takes about one and one half seconds from earth to reach the moon.Your object reaches the moon in one half a second -so you could watch it leave the earth after it arrived on the moon.
2006-10-15 12:05:40 · answer #6 · answered by super stud 4 · 0⤊ 1⤋
No one can really say. The theory of relativity says it's impossible. So you can't use the theory of relativity to guess what's going to happen in an event the theory says is impossible. But the TofR is the only theory we have right now.
2006-10-15 12:05:03 · answer #7 · answered by Jim H 3 · 0⤊ 1⤋
Not sure, but it's interesting how a black hole can suck light into itself that light can't even escape.....seems like the speed of gravity (its force) can be faster than light (if it can accelerate light into itself).
Good day.
2006-10-15 12:29:03 · answer #8 · answered by Jesus S 3 · 0⤊ 1⤋
Don't think it can happen
2006-10-15 12:08:17 · answer #9 · answered by Anonymous · 0⤊ 0⤋
its in the dark
2006-10-15 12:02:33 · answer #10 · answered by ? 4 · 0⤊ 1⤋