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A light-year is the distance light travels in a year. Therefore, if a certain star is "x" light-years from Earth, then it takes light "x" years to get fromthe star to us. Or the other way round.

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11y ago

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How long it takes for light from CAPELLA to reach us?

It takes light 42.2 years for light from Capella to reach us


How many light years is Capella for earth?

Capella is approximately 42.2 light-years away from Earth.


How many light years is Betelgeuse from Capella?

Betelgeuse is approximately 430 light years away from Earth, while Capella is about 42.9 light years away. Therefore, Betelgeuse is around 387.1 light years farther away from Capella.


What is the apparent magnitude of capella star?

Capella is the brightest star in the constellation Auriga.It has an apparent magnitude of +0.91.However Capella is a four star system split into two pairs of binary star systems. They just appear from Earth as a single star.


How much larger is capella than Sirius?

Capella is about 42.2 light-years away from Earth, while Sirius is about 8.6 light-years away. Therefore, Capella is approximately 4.9 times larger in terms of distance from Earth than Sirius.


How long does it take for the light generated by the star Betelgeuse to reach Earth?

The light takes about 640 years to reach Earth, as Betelgeuse (a red supergiant star) is about 640 light years from Earth.


IF the crab nebula is 6300 light years from earth how long did take the light from the supernova to reach earth?

6,300 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.


How long does it takes light from to reach earth?

About 37 years.


The nearest star to Earth is Proxima Centauri which is 4.3 light-years away If light leaves this star in 2020 when will it reach Earth?

If light leaves Proxima Centauri in 2020, it will take 4.3 years to reach Earth. Therefore, the light will arrive on Earth in the year 2024.


How many years would it take for the Northern Star light to reach Earth?

Polaris (North Star) is about 433 light years from us, so that is how long light will take to reach us.


How far in kilometers will a star travel if it takes 37 light years to reach earth?

The star won't normally "travel the 37 light-years to Earth". 37 light-years would most likely be the distance from the star to Earth; it takes light from the star 37 years to reach us. Please note that a light-year is a unit of distance; it is NOT a unit of time. To convert from light-years to kilometers, multiply the number of light-years by 9.5 x 1012.