Recent questions in Relativity physics

+14 votes

0 answers

What is beyond our observable universe? How do we know about it if nothing can travel faster than light to reach us and tell us about it?

asked Nov 16, 2022 in Relativity physics by deanthehandyman

+24 votes

0 answers

How many years would it take to travel 2 light-years?

asked Nov 16, 2022 in Relativity physics by LunarOracle

+101 votes

0 answers

If you are traveling at light speed or faster, can you get back to the same place in space and time?

asked Nov 16, 2022 in Relativity physics by SeraphicAlchemy

+15 votes

0 answers

What are the problems with using wormholes to travel faster than light? Can wormholes be used for interplanetary travel as well as Interstellar travel?

asked Nov 16, 2022 in Relativity physics by Liam2000uk

+36 votes

0 answers

How much was time on the Parker Solar Probe slowed compared to Earth time? (In 1000 hours the Parker Solar Probe can travel nearly the distance light can travel in 1 second)

asked Nov 16, 2022 in Relativity physics by edmund

+117 votes

0 answers

The universe is expanding faster than light. What would happen if you went faster than the universe and went “outside” the universe? What’s out there?

asked Nov 14, 2022 in Relativity physics by Amanda Thomson

+19 votes

0 answers

What does general relativity tell us about space-time?

asked Nov 13, 2022 in Relativity physics by nmlyons31

+26 votes

0 answers

Can light ever travel faster than C, would it be visible?

asked Nov 12, 2022 in Relativity physics by Aneet13

+315 votes

0 answers

Can an object be an object with a moving center of mass?

asked Nov 11, 2022 in Relativity physics by Trier (2.4k points)

+1 vote

0 answers

What type of motion causes time dilation? I am thinking the motion has to be translational. If I were turning around a fixed point, will time dilate for me?

asked Nov 11, 2022 in Relativity physics by Tim-mersey

+116 votes

0 answers

A clock moving towards me at near light speed would appear to run slow due to time dilation. But then it would appear to run fast due to the Doppler effect. Which is right?

asked Nov 10, 2022 in Relativity physics by QuantumHorizon

+7 votes

0 answers

Can light damage or slow down the bacterial growth rate?

asked Nov 10, 2022 in Relativity physics by LunarNova

+13 votes

0 answers

What are some good books on General relativity that don't require a lot of math but still cover all the important topics?

asked Oct 18, 2022 in Relativity physics by Screwfix.Buyer

+5 votes

0 answers

How do you calculate the speed of an object if you know both its initial position and final position?

asked Oct 17, 2022 in Relativity physics by The Ancient One

+3 votes

0 answers

Is it possible that Einstein’s theory of relativity could be proved wrong by Stephen Hawkings’ theory of black holes?

asked Oct 16, 2022 in Relativity physics by eastbeaver (3.4k points)

+327 votes

0 answers

Why doesn't light reach beyond a certain distance in space?

asked Oct 14, 2022 in Relativity physics by Lamboiiii

+23 votes

0 answers

How many light-years can we travel?

asked Oct 13, 2022 in Relativity physics by Deborah Burton

+229 votes

0 answers

Are flies seeing time in slow motion proof that time is relative?

asked Oct 12, 2022 in Relativity physics by QuantumSeeker

+20 votes

0 answers

Can you explain why Newton’s law needed to be replaced by the theory of relativity?

asked Oct 11, 2022 in Relativity physics by mikejoiner

+1 vote

0 answers

I keep trying to get my head around telescopes observing things in our past. So if we are looking at light from the distant past, how did we get ahead of the light?

asked Sep 15, 2022 in Relativity physics by Cecilh

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Recent questions in Relativity physics

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