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

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

8 hours

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.

4.16 hours.

Because it only takes 8 minutes for sunlight to reach Earth, but it takes 4 hours to reach Neptune.

It takes light from the sun about 318 minutes (a little over five hours) to reach Pluto. It takes sunlight about 8 minutes to reach earth, which means Pluto us about 310 light minutes from the Earth.

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!

it does reach the earth in light energy.

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

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

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

8 light years to reach earth.

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

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

Assuming Earth and Uranus were aligned with the Sun, light would take about 2.5 hours to reach Uranus.

Light can travel from Earth to Neptune in 4 hours and 2 minutes. The light would have traveled over 2 billion miles to reach the planet Neptune.

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

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

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

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

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

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

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

Daytime is when you can see the sun from where you are, and its light and heat can reach you. Nighttime is when the sun is on the other side of the Earth from you, and its light and heat don’t get to you

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