# Why do clocks go slower in space?

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Time dilation goes back to Einstein’s theory of special relativity, which teaches us that motion through space actually creates alterations in the flow of time. … The clock in motion will tick more slowly than the clocks we’re watching on Earth.

## Why are clocks slower in space?

That’s because of time-dilation effects. First, time appears to move slower near massive objects because the object’s gravitational force bends space-time. Public Domain The phenomenon is called “gravitational time dilation.” In a nutshell it just means time moves slower as gravity increases.

## Do clocks run slower in space?

According to Einstein’s theory of relativity, the clocks on the satellites are ticking more slowly than Earth-based clocks by about 7 millionths of a second per day.

## How long is 1 hour in space?

Answer: That number times 1 hour is 0.0026 seconds. So a person at that deep space location would have a clock that would run for one hour, while that person calculated that our clock ran for 59 minutes, 59.9974 seconds.

## Why do clocks on satellites move slower?

Special Relativity predicts that the on-board atomic clocks on the satellites should fall behind clocks on the ground by about 7 microseconds per day because of the slower ticking rate due to the time dilation effect of their relative motion [2].

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## Is it true that 1 hour in space is 7 years on Earth?

No. The time-dilation effect of Einstein’s relativity has nothing to do with space. The faster you’re moving, the slower time goes for you. So if you were on some planet moving extremely fast through space, like in the movie Interstellar, then you could miss 7 years on Earth every hour.

## How long is 1 second in space?

It is defined as the distance that light travels in free space in one second, and is equal to exactly 299,792,458 metres (983,571,056 ft).

Use in astronomy.

Unit light-hour 60 light-minutes = 3600 light-seconds 1079252848800 m 1.079×109 km

## How is 1 hour 7 years in interstellar?

The first planet they land on is close to a supermassive black hole, dubbed Gargantuan, whose gravitational pull causes massive waves on the planet that toss their spacecraft about. Its proximity to the black hole also causes an extreme time dilation, where one hour on the distant planet equals 7 years on Earth.

## Do astronauts age faster in space?

Flying through outer space has dramatic effects on the body, and people in space experience aging at a faster rate than people on Earth. … These studies showed that space alters gene function, function of the cell’s powerhouse (mitochondria), and the chemical balance in cells.

## How long is 1 day in space?

The definition of a day is the amount of time it takes an astronomical object to complete one full spin on its axis. On Earth, a day is 23 hours and 56 minutes, but other planets and bodies rotate at different rates.

The Earth is the only planet with an approximately 24-hour day.

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Planet Length of Day
Pluto 6.4 Earth days

## Is there dead bodies in space?

Remains are generally not scattered in space so as not to contribute to space debris. Remains are sealed until the spacecraft burns up upon re-entry into the Earth’s atmosphere or they reach their extraterrestrial destinations.

## Has anyone died in space?

A total of 18 people have lost their lives either while in space or in preparation for a space mission, in four separate incidents. Given the risks involved in space flight, this number is surprisingly low. … The remaining four fatalities during spaceflight were all cosmonauts from the Soviet Union.