Recent questions in Speed of Light

+18 votes

0 answers

How come something cannot be accelerated past the speed of light but still has mass if everything stops at the speed of light in a vacuum?

asked Sep 20, 2022 in Speed of Light by PETETONG89

+1 vote

0 answers

Is it possible to build a spaceship that could travel at light speeds or near light speeds? If so, how much money would it cost, and what materials would you use in order to make it happen?

asked Sep 20, 2022 in Speed of Light by DavidDavidson (2.0k points)

+25 votes

0 answers

Antimatter engines could theoretically propel objects very close to light speed, the only issue being the scarcity and containment of the antimatter. Is there no way to efficiently produce and store it?

asked Sep 20, 2022 in Speed of Light by longboat

0 votes

0 answers

How long does it take for light to travel from Earth to Alpha Centauri (the star system closest to us)? What would happen if we could travel at the speed of light?

asked Sep 20, 2022 in Speed of Light by Dan dan the man

+21 votes

0 answers

What is the propagation of light through optic fiber due to?

asked Sep 20, 2022 in Speed of Light by Riddor

+9 votes

0 answers

Which is impossible to reach, the speed of light or infinite velocity? Why?

asked Sep 19, 2022 in Speed of Light by Simba_ali

0 votes

0 answers

What happens to the energy of light as the frequency increases?

asked Sep 19, 2022 in Speed of Light by benawhile

+100 votes

0 answers

Why can't objects with mass travel at the speed of light? Can massless objects travel at that speed?

asked Sep 19, 2022 in Speed of Light by plastic bertrand

+11 votes

0 answers

What are the chances of humanity ever having an Interstellar space fleet capable of travelling more quickly than light speed? What would our first missions be if no limits were placed on technology or cost?

asked Sep 19, 2022 in Speed of Light by RadiantOracle

+37 votes

0 answers

How old would you be if you traveled at the speed of light and then returned to Earth?

asked Sep 18, 2022 in Speed of Light by NebulaPulse

+314 votes

0 answers

If we could travel at the speed of light on Earth and stay over one place and not move, how many times around the Earth would it take?

asked Sep 18, 2022 in Speed of Light by SuzanneC

+23 votes

0 answers

How is it possible for humans to travel through space (to other planets) at speeds faster than light? What are some of the challenges we'd have to overcome?

asked Sep 17, 2022 in Speed of Light by LarryH

+22 votes

0 answers

How many light years can the universe expand in a few seconds?

asked Sep 17, 2022 in Speed of Light by myzeneye

+90 votes

0 answers

What is the Federation's method of faster-than-light travel?

asked Sep 16, 2022 in Speed of Light by belldiscovery

+18 votes

0 answers

Is it possible for a human to reach Earth's solar system by traveling at light speed or faster?

asked Sep 15, 2022 in Speed of Light by ginger tuffs

+12 votes

0 answers

What is the size of the non-observable part of the universe?

asked Sep 15, 2022 in Speed of Light by SeraphicVerse

+19 votes

0 answers

If the universe is 93 billion light years in diameter, how long would it take to travel end to end at light speed?

asked Sep 14, 2022 in Speed of Light by PowerTool

+25 votes

0 answers

Wouldn't the issue with traveling at better than lightspeed be slowing back down again, as your image is unstoppable and still stuck traveling at (LS) behind reality, what happens when it eventually finds you?

asked Sep 14, 2022 in Speed of Light by RadiantTwilight

+20 votes

0 answers

If someone were to travel at close to the speed of light for millions of years, would they be able to reach the other side of the universe?

asked Sep 14, 2022 in Speed of Light by MysticHarmony

+7 votes

0 answers

As time is relative, aren’t we moving at the speed of light relative to a Photon?

asked Sep 14, 2022 in Speed of Light by kevinbaldy

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