Recent questions in Speed of Light

+10 votes

0 answers

If everything travels at the speed of light, why do we have different speeds?

asked Jan 18, 2023 in Speed of Light by Neil1987

+27 votes

0 answers

Can a black hole accelerate an object beyond the speed of light by its attraction?

asked Jan 18, 2023 in Speed of Light by QuantumHarmony

+15 votes

0 answers

How far into space could a beam of light go before hitting something?

asked Jan 18, 2023 in Speed of Light by Enda Kelly

+21 votes

0 answers

If the speed of gravity is the same as the speed of light, what does that imply for “inflation” when the universe initially grew faster than the speed of light?

asked Jan 18, 2023 in Speed of Light by SeraphicMystic

+9 votes

0 answers

How long would it take to travel one kilometer if you are traveling at the speed of light?

asked Jan 18, 2023 in Speed of Light by Jimbo68

+7 votes

0 answers

What would happen on Earth if a star, 30 light years away, went nova?

asked Jan 18, 2023 in Speed of Light by squeaky

+15 votes

0 answers

If we pointed our telescopes to a Galaxy 1 million light years away, and that Galaxy had a giant mirror pointing at us, would we see our Galaxy as it was 1 million years ago or as it is now?

asked Jan 18, 2023 in Speed of Light by Tilt

+291 votes

0 answers

Is it possible to go back in time without travelling faster than the speed of light? If not, how can we do it?

asked Jan 17, 2023 in Speed of Light by John Bunyan

+25 votes

0 answers

Why are physicists so certain that nothing can go faster than the speed of light? That is almost a century old concept and there must be something to disprove the theory of relativity by now.

asked Jan 17, 2023 in Speed of Light by james41 (2.6k points)

+25 votes

0 answers

If Maxwell was the one to assume that light travels at one speed, regardless of the motion of the observer, why was it Einstein who came up with relativity?

asked Jan 17, 2023 in Speed of Light by 2be2

+444 votes

0 answers

What is the fastest speed at which fluid water can travel through air?

asked Jan 17, 2023 in Speed of Light by Jonnym2

+17 votes

0 answers

Why is the speed of light 10 to the power 8 metres per second?

asked Jan 17, 2023 in Speed of Light by AstralMystic

+2 votes

0 answers

What is the fastest possible speed for any object? How does this relate to what we know about light and other things traveling at infinite speeds through space?

asked Jan 17, 2023 in Speed of Light by Alan sherriff

+17 votes

0 answers

How can you determine the speed of an object without using a laser beam or other method involving light?

asked Jan 17, 2023 in Speed of Light by John Liu

+98 votes

0 answers

In how many years do you estimate the physics of teleportation ever use light as a long distance projection device given photons surrounding ions at the RHIC have been able to accomplish this?

asked Jan 17, 2023 in Speed of Light by ejenner

+14 votes

0 answers

What is a time paradox? What would happen if we travelled at near light speed?

asked Jan 16, 2023 in Speed of Light by Hoskie

+4 votes

0 answers

How can light travel in space if its speed is infinite?

asked Jan 16, 2023 in Speed of Light by apl

+1 vote

0 answers

Is it possible to build real-life versions of star ships like those seen in Star Trek? Can we reach speeds faster than light without using warp technology?

asked Jan 16, 2023 in Speed of Light by Wayners

+19 votes

0 answers

If Superman was able to run at the speed of light and had infinite energy, could he do whatever he wanted with his abilities?

asked Jan 16, 2023 in Speed of Light by Kendall Braddock

+169 votes

0 answers

Is it possible to exceed the speed of light? If so, how could we overcome any barriers and reach those speeds?

asked Jan 16, 2023 in Speed of Light by Ejt2109 (3.5k points)

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Recent questions in Speed of Light

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