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If you had an extreamly powerful tourch that could shine all the way around the earth how long would it take for the beam of light to go around the earth and hit you on the back?
in general i don't think we have a light that strong to go higher then the skies!!!! u would have to be on a angle to make it go around the earth. I think it would take about the range of minutes to seconds. that is my thought though . if you did have a light that power full it would take a black hole on the othere side of the earth to suck the light around the earth , because light can bend to a certain point .
How long does it take a pulse of laser light to reach Mars and back if they both are at their closest approach?
It takes around 7 minutes for light to travel from Earth to Mars when they are at their closest approach, known as opposition. Therefore, for a pulse of laser light to reach Mars and return to Earth, it would take approximately 14 minutes.
How long does it take for light years to travel around the earth once?
One light-year is the distance light travels in one year, which is about 5.88 trillion miles. Light doesn't orbit the Earth, but if you're asking how long it takes light to travel around the Earth's circumference once, at the speed of light (about 186,282 miles per second), it would take only about 0.13 seconds.
How long would it take light to traver around the world?
Light travels at approximately 186,282 miles per second. The circumference of the Earth is about 24,901 miles. Therefore, it would take light approximately 0.133 seconds to travel all the way around the Earth.
How long does it take light to travel around the earth seven and half time is?
One second.
How long does it take to go around the earth at light speed?
The circumference of the Earth is ~24902 miles or 40,076,000 meters. This speed of light is 299,792,458 m/s. So it takes 0.134 seconds to go around the earth once.
How do long radio signals get back down to earth?
How do THEY get back to earth?!
How long is it from Earth to Mercury in light years?
50,000 light years (thats long)
When was The Long Fall Back to Earth created?
The Long Fall Back to Earth was created on 2009-04-21.
How long does it take the light to travel to the earth?
It takes Light 8 Minutes to get from the Sun to the Earth.
For the moon to travel at the speed of light how long would it take to orbit the earth?
It takes about 1.28 seconds for light to travel from the moon to Earth. So if the moon were to travel at the speed of light, it would complete an orbit around the Earth in approximately 1.28 seconds.
How long has light from other stars been traveling toward earth?
Well it depends on what you mean. The distance for how long it takes, or the time as in how long since Earth was made. Earth as you know has been here a long long time. Stars light has been shinning towards Earth eversince it was made. To see how long it takes for a stars light to reach Earth depends on how distant and huge the star is.
