The time it takes to call back to the Earth from the moon?

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The time it takes to call back to the Earth from the moon?

2007-05-21 05:58:17 · 4 answers · asked by redsoxgman 1 in Science & Mathematics ➔ Astronomy & Space

4 answers

About 2 1/2 seconds - there and back again 1 1/4 each way

2007-05-21 06:01:31 · answer #1 · answered by welcome news 6 · 1⤊ 0⤋

It takes a radio signal (one way) about 1.3 seconds to travel the earth-moon distance.

2007-05-21 06:02:20 · answer #2 · answered by Gene 7 · 0⤊ 0⤋

Radio waves travel at about 186,000 Miles Per Second.

The Moon is 250,000 Miles from Earth.

250,000 / 186,000 = about 1.5 seconds roughly

2007-05-21 06:46:32 · answer #3 · answered by zahbudar 6 · 0⤊ 0⤋

The average Earth-Moon distance is 384,401 km. Lightspeed is 2.99792x10^5 km/sec. 1.28 seconds each way. Lunar apogee is 406,700 km, lunar perigee is 356,400 km.

2007-05-21 06:07:49 · answer #4 · answered by Uncle Al 5 · 0⤊ 0⤋