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It would take 100 years for a signal to travel from Earth to a star located 100 light years away.

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9mo ago

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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.


What is the speed of a satellite signal?

The speed of a satellite signal is approximately the speed of light, which is about 299,792 kilometers per second. This means that signals transmitted from a satellite to Earth or vice versa travel at this high speed.


Robotic spacecraft on Mars have sent radio signals back to Earth. The distance from Mars to Earthat its greatestis about 401300000 km.About how many minutes would it take a signal to reach Earth from?

Radio signals travel at the speed of light, which is approximately 299,792 kilometers per second. To calculate the time it takes for a signal to travel from Mars to Earth at its greatest distance of 401,300,000 kilometers, you would divide the distance by the speed of light. This gives roughly 1,340 seconds, or about 22.3 minutes for the signal to reach Earth.


How long would it take for a spacecraft to travel to a star located 40 light-years away from Earth?

Traveling at the speed of light, it would take a spacecraft 40 years to reach a star located 40 light-years away from Earth.


Which would be the first to reach Earth if a light signal and a radio signal were emitted from a star?

It would be a tie; both light and radio are electromagnetic waves, as are X-rays, gamma rays, ultra-violet and infrared. They all travel at the same speed, the "speed of light", which is about 300,000 km/second, or 186,000 miles per second.


Light to travel from sun to earth?

It takes approximatly 7minutes to travel from sun to earth the sun light.


How long does it take for a microwave radar signal to travel from Earth to the Moon and back?

Approximately 2.5 secs. A 'microwave' is an electro-magnetic radiation, in the same manner as light, and uv. radiation. Being an electro-magnetic radiation it will travel at the speed of light, which is 'c' = 3.8 x 10^8 m/s


What are the waves that travel from the sun to earth?

Light waves travel from sun to the earth.


How many time does light travel around the earth in one second?

light can travel around earth about seven times


What does light travel as to get from the sun to earth?

As light, of course.


At what speed does an RF signal travel in space and how does it compare to the speed of light?

An RF signal travels at the speed of light in space, which is approximately 299,792 kilometers per second. This means that RF signals travel at the same speed as light in a vacuum.


How long does light from the sun to travel to earth?

Light take approximately 8 minute 20 seconds to travel from the sun to the earth.