Would you really age more slowly on a spaceship at close to light speed?

Elenor Gerlach asked a question: Would you really age more slowly on a spaceship at close to light speed?
Asked By: Elenor Gerlach
Date created: Tue, Jul 6, 2021 12:10 PM

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Those who are looking for an answer to the question «Would you really age more slowly on a spaceship at close to light speed?» often ask the following questions:

❓ Would the martian spaceship really work?

Nope, that was pure Hollywood and NOT in the book the movie is based upon. To get useful thrust the direction of force must be through the Center of mass. A hole in the palm of a glove would be very hard to place in such a way as to push an astronaut in a straight line.

❓ What would spaceship combat really be like?

What a “sea battle” — or for that matter, a “land battle” “really” looks like depends very much on what forces are involved in accomplishing what objectives against what opposition. Space combat will, too.

❓ Spaceship which travels at the speed of light?

NASA's Working on a Nano-Starship That Travels at 1/5 The Speed of Light. In April, a team of scientists including Stephen Hawking announced a mind-boggling new project to explore interstellar space, using lasers to propel a nano-spacecraft the size of a postage stamp to our nearest star system, Alpha Centauri.

10 other answers

But if you’re trying to reach an exoplanet 10 to 50 light-years away and still make it home before you yourself die of old age, you’d have to be moving at close to light speed.

The closer the clock is to the source of gravitation, the slower time passes; the farther away the clock is from gravity, the faster time will pass. (We can save the details of that explanation for a future Airlock.) Originally posted here: Would you really age more slowly on a spaceship at close to light speed? - MIT Technology Review

Feb 27, 2020 - Would you really age more slowly on a spaceship at close to light speed? - MIT Technology Review

TIL that you would really age more slowly on a spaceship at close to light speed.If two clocks,one in earth and the other in space,the one further away from the earth's gravity will move slower than the one closer.Youngness depends on exactly how fast the spacecraft had been moving and accelerating.

Would you really age more slowly on a spaceship at close to light speed? - MIT Technology Review. Would you really age more slowly on a spaceship at close to light speed? - MIT Technology Review. Pinterest. Today. Explore. When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore ...

Dec 7, 2019 - Your space questions, answered.

You are sitting in your spaceship watching the entire universe rushing past you at 99.9% of the speed of light, and there's something 50 light-years away... It will take 50 years for that something to reach you, and of course you will age by 50 years while you wait (What else could possibly happen while you're waiting for 50 years?).

You'd think that might even out, but actually their velocity time dilation has a bigger effect than their gravitational time dilation, so astronauts end up aging slower than people on Earth.

As for 'yes:' When traveling at speeds near the speed of light special relativity says that time is dilated. Thus relative to another inertial frame (where perhaps a stationary twin sits) time for the moving twin is slowing down. Hence the stationary twin is aging faster. While the moving twin remains in an inertial frame (that is, continues to move at a constant velocity) the moving twin will observe time running slower for the stationary twin. If they could ever be at the same place and ...

Answer: Firstly, the physical consequence of traveling at the speed of light is that your mass becomes infinite and you slow down. According to relativity, the faster you move, the more mass you have.

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