When can you leave Earth at the age of 15?

If you leave earth at the age of 15 in spaceship at the speed of light and spend 5 years in space when you get back on earth you will be 20 years old and your friends who were 15 when you left would be 65 . How is it possible?
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What happens if you leave Earth at age of 15?

If you leave Earth at the age of 15 in a spaceship at the speed of light and spend 5 Years in space, when you get back on Earth you will be 20 years old and all your friends who were 15 when you left will be 65 years old. This phenomenon is known as "Time Dilation" in Physics.
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Do you age if you leave Earth?

Scientists have recently observed for the first time that, on an epigenetic level, astronauts age more slowly during long-term simulated space travel than they would have if their feet had been planted on Planet Earth.
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Is 1 year in space 10 years on Earth?

Time Dilation and Interstellar Space Flight

For example, one year of interstellar travel might correspond to ten years back on Earth.
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What happens if you stay in space for 5 years?

Long-term exposure causes multiple health problems, one of the most significant being loss of bone and muscle mass. Over time these deconditioning effects can impair astronauts' performance, increase their risk of injury, reduce their aerobic capacity, and slow down their cardiovascular system.
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Why Do We Age Slower In Space?



What does space smell like?

A succession of astronauts have described the smell as '… a rather pleasant metallic sensation ... [like] ... sweet-smelling welding fumes', 'burning metal', 'a distinct odour of ozone, an acrid smell', 'walnuts and brake pads', 'gunpowder' and even 'burnt almond cookie'.
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Is it true that 1 hour in space is 7 years on Earth?

Explanation: The clocks in space tick more slowly than clocks on Earth., HENCE COVERING LESS TIME AS COMPARED TO EARTH IN THE SAME DURATION. One hour on Earth is 0.0026 seconds in space. Thus, upon calculation we find that one hour on Earth is equivalent to seven years in space.
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Will space be forever?

Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space.
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How long is 1 hour in space?

Explanation: The clocks in space tick more slowly than clocks on Earth., HENCE COVERING LESS TIME AS COMPARED TO EARTH IN THE SAME DURATION. One hour on Earth is 0.0026 seconds in space. Thus, upon calculation we find that one hour on Earth is equivalent to seven years in space.
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What happens every 176 years in space?

A Once-in-a-Lifetime Alignment

Calculations reveal it is possible for a spacecraft launched in the late 1970s to visit all four giant outer planets, using the gravity of each planet to swing the spacecraft on to the next. This alignment occurs once every 176 years.
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Can you legally leave Earth?

According to the Outer Space Treaty, you need your home government's permission to be there. However you get that approval, it will likely involve an inspection of your space vehicle by some kind of federal agency, likely NASA and the Federal Aviation Administration.
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What is the age limit of Earth?

Earth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date.
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Can you age slower?

Many researchers have tried to find out whether the speed of the biological aging process can be slowed down, according to Loge Nilsen. “Our study shows that we can actually flatten the curve for the speed of aging,” the researcher says.
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How much does it take to leave Earth?

For example, a spacecraft leaving the surface of Earth needs to be going 7 miles per second, or nearly 25,000 miles per hour to leave without falling back to the surface or falling into orbit.
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How much age is left for the Sun?

It still has about 5,000,000,000—five billion—years to go. When those five billion years are up, the Sun will become a red giant.
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Is it cold in space?

Though sci-fi movies would have us believe that space is incredibly cold — even freezing — space itself isn't exactly cold. In fact, it doesn't actually have a temperature at all. Temperature is a measurement of the speed at which particles are moving, and heat is how much energy the particles of an object have.
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How much do astronauts get paid?

Astronauts who work for civilian agencies like NASA earn a base salary of $104,898 per year. However, their salaries can increase to $161,141 per year. Furthermore, SpaceX founder Elon Musk said that he would be willing to pay his astronauts up to $500,000 for a trip to Mars.
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How long can you sleep in space?

Even though astronauts are allotted about 8.5 hours for sleep every day, many of them have reported needing only about 6 hours to feel fully rested. Some specialists believe that this is because the body tires less quickly in weightlessness: the muscles don't have to work as hard as on Earth.
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Do we know if space ends?

No, they don't believe there's an end to space. However, we can only see a certain volume of all that's out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn't had time to reach us yet, so we have no way of knowing such a galaxy exists.
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Who created the universe?

Many religious persons, including many scientists, hold that God created the universe and the various processes driving physical and biological evolution and that these processes then resulted in the creation of galaxies, our solar system, and life on Earth.
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Is there a color in space?

Space emits many wavelengths of light - including a lot of blue and red light that our human eyes can see - but also ultraviolet light, gamma rays, and X-rays, which remain invisible to us.
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Will Earth have 25 hours?

A recent study done by scientists in America has shown that days on earth are getting longer and in million years from now, a day will last 25 hours on earth. However, the process will take 200 million years in stretching hours of the day to 25 hours from 24.
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What happens if you take your suit off in space?

Astronauts need space suits to stay alive. You could only last 15 seconds without a spacesuit — you'd die of asphyxiation or you'll freeze. If there's any air left in your lungs, they will rupture.
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Would a body decompose in space?

In space we can assume that there would be no external organisms such as insects and fungi to break down the body, but we still carry plenty of bacteria with us. Left unchecked, these would rapidly multiply and cause putrefaction of a corpse on board the shuttle or the ISS.
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