How long would it take us to travel 4 light-years?

Proxima Centauri is 4.2 light-years from Earth, a distance that would take about 6,300 years to travel using current technology. Such a trip would take many generations. Indeed, most of the humans involved would never see Earth or its exoplanet counterpart.
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How long does it take to travel 4 light-year?

The nearest-known exoplanet is a small, probably rocky planet orbiting Proxima Centauri – the next star over from Earth. A little more than four light-years away, or 24 trillion miles. If an airline offered a flight there by jet, it would take 5 million years.
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How long would it take to travel 1 lightyear?

Even if we hopped aboard the space shuttle discovery, which can travel 5 miles a second, it would take us about 37,200 years to go one light-year.
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How many years is 4 light years away?

Yes. A 'light year' is the distance covered by light in one year (more here), so four light years would be the distance travelled by light in four years. This definition means that any light emitted by something four light years away from us would take four years to get here.
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Does it take 4 years for light to travel?

At the speed of light, 4.5 years. That's what a light year is — the distance light travels in a year. How long would it take to travel 4.25 light years? 1.3403e+8 Earth seconds.
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How Long Does It Take To Travel 1 Light Year | Science Of Space



Will humans ever travel 1 light-year?

So will it ever be possible for us to travel at light speed? Based on our current understanding of physics and the limits of the natural world, the answer, sadly, is no.
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Would I age if I traveled at the speed of light?

Re: How would you age at the speed of light

The simple answer is, anything moving through space at c, equal to the speed of light in a vacuum, experiences zero time flow. If you were to travel at the speed of light, you would experience no time.
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How far away is 1 lightyear in miles?

A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
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What highly habitable planet is 4 light years?

For comparison, Proxima Centauri b is the closest Earth-mass exoplanet, at 4.2 light-years away. It's also similar in size to Earth and in its star's habitable zone. Researchers at the Institute of Astrophysics of the Canary Islands led the team that made the discovery.
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How long would it take to get to Pluto?

So how long does it take to get to Pluto? Roughly 9-12 years. You could probably get there faster, but then you'd get less science done, and it probably wouldn't be worth the rush. Are you super excited about the New Horizons flyby of Pluto?
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How long would 1000 light years take?

To do so, you will need a speed of almost the speed of light, so in the reference frame of Earth, you will have spent just a tad more that 1000 yr to travel 1000 ly. i.e. 1000 years, 4 hours, and 23 minutes in Earth's reference frame.
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How many light years can we go?

The light that travels the longest gets stretched by the greatest amount, and the object that emitted that light is now at a greater distance because the universe is expanding. We can see objects up to 46.1 billion light-years away precisely because of the expanding universe.
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How far is 1 light-year from Earth?

A light-year is the distance a beam of light travels in a single Earth year, which equates to approximately 6 trillion miles (9.7 trillion kilometers).
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How close is 4000 light years?

A cool 24 quadrillion miles out. We may earn a commission from links on this page. Roughly 4,000 light-years (about 24 quadrillion miles) away from Earth in a particularly happening region of the universe full of star clusters, nebulae, and a star-forming molecular cloud, there is a constellation known as Ara.
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How long would it take you to travel 500 light years?

The light travels at the speed of 1 light year. Therefore, if we assume light to be travelling, then it will travel 500 light years in 500 years.
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How far can we see in space?

So the furthest out we can see is about 46.5 billion light years away, which is crazy, but it also means you can look back into the past and try to figure out how the universe formed, which again, is what cosmologists do.
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How long would it take to travel 4.2 light years?

Proxima Centauri is 4.2 light-years from Earth, a distance that would take about 6,300 years to travel using current technology. Such a trip would take many generations.
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How many light years is the Milky Way?

Our galaxy probably contains 100 to 400 billion stars, and is about 100,000 light-years across.
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How many galaxies are there?

The Hubble Deep Field, an extremely long exposure of a relatively empty part of the sky, provided evidence that there are about 125 billion (1.25×1011) galaxies in the observable universe.
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How fast speed of light is?

Light from a stationary source travels at 300,000 km/sec (186,000 miles/sec).
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How far is the black hole from Earth?

An international group of astronomers recently announced the discovery of the black hole, which sits about 1,600 light years from Earth. A light year is the distance light travels in one year. In space, light moves about 9.4 trillion kilometers each year. The researchers named the black hole Gaia BH1.
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Is one hour in space 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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What if you traveled at 99% the speed of light?

That depends on how fast you're traveling. Thanks to Einstein, we know that the faster you go, the slower time passes--so a very fast spaceship is a time machine to the future. Five years on a ship traveling at 99 percent the speed of light (2.5 years out and 2.5 years back) corresponds to roughly 36 years on Earth.
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Does time stop in a black hole?

Near a black hole, the slowing of time is extreme. From the viewpoint of an observer outside the black hole, time stops. For example, an object falling into the hole would appear frozen in time at the edge of the hole.
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