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Answered 2016-06-23 21:04:34

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

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How many hours does it take the light from Betelgeuse to reach earth?

Betelgeuse is approximately 430 light years away, or a bit over 3.7 million light hours.


Does most of suns energy reach earth in light energy?

it does reach the earth in light energy.


How long does it take light to reach earth from Betelgeuse?

Betelgeuse is a red supergiant star about 640 light-years from Earth. So light from Betelgeuse takes 640 years to get here. Here's an interesting fact; the star Betelgeuse is probably near the end of its life, and may explode in a supernova explosion any time. Very massive stars like Betelgeuse live fast and die in under 100 million years, and Betelgeuse will probably go supernova within the next 10,000 years. This is like no time at all in cosmic terms, but in terms of a HUMAN lifetime, it probably will NOT happen while we're alive to see it. But it could. In fact, Betelgeuse might have exploded 500 years ago, and we wouldn't know it for another 140 years!


How long does it take for light to reach earth?

If you mean light from the Sun, then it takes eight minutes for the light to reach the Earth.


Time taken for light to reach the earth?

From the sun, it takes 8 minutes for the light to reach Earth.


How does sunlight reach earth?

the light speed are very fast so light easily reach on earth



How long does it take for the light from the moon to reach the earth?

It takes approximately 1.28 seconds for the light from the moon to reach the earth.


How long it takes the suns light to reach earth?

It takes approximately 8 minutes for the Sun's light to reach Earth.


What is the time taken by light to reach earth from moon?

The time taken by light to reach earth from moon is nearly about 1.29 seconds


How long it takes for sunlight to reach the earth?

8 minutes for the light of the sun to reach earth.


How long each does it take light from the nearest star to reach the earth?

The Sun is the nearest star but it takes 2 hours to reach the earth. Correct answer is 8.5 minutes for light from the sun to reach the earth.


8 minutes for the light to reach earth?

Just a bit over that; about 8 minutes 20 seconds for the Sun's light to reach the Earth.


How long does it take light that leaves the Sun to reach Earth?

It takes about 81/3 minutes for the sun's light to reach us on earth.


Number of minutes for sunlight to reach the earth?

It takes 8 minutes for light from the sun to reach the Earth.


How long in light speed will it take to reach the sun from earth?

At the speed of light, a photon will take about 8.3 minutes (500 seconds) to reach Earth


How long does it take light to reach to earth from the farthest star?

It took light from the farthest observed galaxy about 13 billion years to reach Earth.


How long does it take energy from the sun to reach the earth?

It takes about 5 minutes for the suns light to reach the earth


How long does moonlight take to reach earth?

It takes light from the Sun about 8.3 minutes to reach the Moon, and it takes another 1.4 seconds for the light bouncing off the Moon to reach the Earth.


How does the light from the moon reach the earth?

The moon does not emit light, rather it reflects it. The light from the sun shines on the moon, and it is reflected to earth.


How long does it take light to reach the earth from the edge of the Milky Way galaxy?

It takes light about 25,000 years to reach earth from the nearest edge of the Milky Way.


Time taken by moon light to reach earth?

Moonlight takes 1 min 3 seconds to reach earth.


How long does it take light to reach proxima centauri?

Proxima centauri is located 4.24 light years away from the earth. What this means is that it takes light 4.24 years to reach proxima centauri from the earth.


How does the distance of star from earth affect the time it takes light from that star to reach earth?

Light travels at a constant speed. Therefore the farther away a star is, the longer it takes for light to reach us.


Do ultraviolet rays reach earth?

Ultraviolet rays do reach the Earth from the Sun. However, most of the UV light is blocked by the Earth's atmosphere and does not reach the surface.


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