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How long does it take light to travel from Alpha Centauri the nearest star to our sun to our solar system?
It takes 4.37 years.
If a star is 2.5 million light years away approximately how long ago did the light leave?
The light from the star would have left 2.5 million years ago, as it takes light 1 year to travel a distance of 1 light year.
What is the equation for the travel time to the nearest star at the speed of light?
The formula to calculate travel time at the speed of light is distance divided by the speed of light. The nearest star to Earth is Proxima Centauri, which is about 4.24 light-years away. Therefore, the travel time to Proxima Centauri at the speed of light would be 4.24 years.
If a star is 61 lightyears what does that mean?
A Light Year is a measure of distance. If a star is 61 light years away, then it would take light (or radio waves, which travel at the speed of light) 61 years to get there.
How long would it take a ray of light to travel to Proxima Centauri from the Sun?
Proxima Centauri is 4.2 light years away, so it would take 4.2 years for light from that star to reach us.
What is the second closet star from earth?
Barnard's star (5.9 light years)
How long does it take light to travel to the nearest star to us?
The nearest star to us is the SUN. It takes light about 8 minutes to travel from the Sun to Eart. #The next nearest star is Alpha Centurii. Light takes about 4.5 years to travel from this star to Earth.
How long does it take for a ray of light to travel from the nearest star to the earth?
8.5 mins
How long would it take for a signal to travel from Earth to a star located 100 light years away?
It would take 100 years for a signal to travel from Earth to a star located 100 light years away.
How long does it take for a ray of light to travel from the nearest star to the earth and what is this star called?
Our Sun is at a distance of 8 light-minutes. The next star outside our Solar System is Proxima Centauri, at a distance of 4.2 light-years.
How long would it take to travel the solar system at the speed of light to the nearest star?
About 4.2 years.
How long can light from a star travel?
Theoretically, an infinite distance. No one has found a limit so far.
If you see a star and you went in a spaceship flew out to see the star closer the star is gone if you go back down to earth will the star be there?
It depends how fast you are travelling, and also how long ago the star died; assuming the star JUST died, if you travel there and back at twice the speed of light, you will see it just as it disappears, travel any slower and it will be gone when you get back.However if the star died, say, 10 light years ago, and the distance between earth and the star is 20 light years, you will have to travel at 4 times the speed of light to get back in time to see it disappear.
How long would it take to travel to the closest star using a space shuttle?
8.31 minutes @ the speed of light.
What is the closet star from the sun?
Alpha Centari is the nearest star to Sol. It is about 4 light years or 24 trillion miles away.
How long does it take light to travel from Alpha Centauri the nearest star to our sun to our solar system?
It takes 4.37 years.
How long would it take for a signal to travel from a star located 100 light years away to reach Earth in Earth years?
It would take 100 Earth years for a signal to travel from a star located 100 light years away to reach Earth.
