The average distance between the earth and moon is : 384,401 kilometres. The term average distance is used becase this distance changes from time to time.
2006-10-01 09:14:57
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answer #1
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answered by Alan 2
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The distance between the earth and the moon is an average of 382,500 km. The distance varies because the moon travels around the earth in a elliptical orbit.At perigee the ditance which the moon is closest to the earth is approxamotly 360,000km. At apogee the distance in which the moon is farthest from the earth is exactly 405,00 km. So the distance changes all the time.
2006-10-01 09:28:59
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answer #2
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answered by BoB sToLdEd My CoOkIe 1
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HIYA
The average distance between Earth and Moon is approximately 30 times Earth's diameter.
If you could fly to the Moon at a constant speed of 1000 kilometers per hour, which is the speed of a fast passenger jet, it would take sixteen days to get there. Apollo astronauts reached the Moon in less than four days even though they coasted "uphill" almost the entire distance. They got a fast start.
The Sun happens to be 400 times the Moon's diameter, and 400 times as far away. That coincidence means the Sun and Moon appear to be the same size when viewed from Earth. A total solar eclipse, in which the Moon is between the Earth and Sun, blocks the bright light from the Sun's photosphere, allowing us to see the faint glow from the corona, the Sun's outer atmosphere.
When the Moon is at apogee, it is 11% farther from Earth than it is at perigee. This is far enough that it cannot entirely block the bright light, so eclipses which occur near apogee are not total.
Perigee 363,300 km
Mean 384,400 km
Apogee 405,500 km
Gravitational interaction (tides on the Earth caused by the Moon) transfers kinetic energy from Earth to the Moon, slowing Earth's rotation and raising the Moon's orbit, currently at a rate of 3.8 centimeters per year.
Earth and Moon Compared
The Moon has approximately 1/4 Earth's diameter, 1/50 Earth's volume, and 1/80 Earth's mass. Earth is very dense overall (it is the densest planet in the Solar System), but the Moon is light for its size. The difference is partly because Earth has a large core of iron and other heavy metallic elements, while the Moon has only a small core, if it has a core at all. The Moon's surface gravity is 1/6 of Earth's, and escape velocity from the surface is about 1/5 of Earth's.
The Moon's surface is covered with rock and grit that are mostly dark-gray minerals, so it reflects light poorly compared to Earth, which always has highly-reflective clouds. The Moon reflects visible light about 1/3 as well as Earth, and because of its much smaller size, has a visual brightness less than 1/40 that of Earth, when both are fully illuminated and seen from the same distance -- a difference of four stellar magnitudes.
Earth Moon
Mean diameter 12,742 km 3,476 km
Volume 1.08321 x 1012 km3 2.199 x 1010 km3
Mass 5.9736 x 1024 kg 7.349 x 1022 kg
Mean density 5.515 3.342
Surface gravity 9.78 m/s2 1.62 m/s2
Escape velocity 11.2 km/s 2.38 km/s
Visual albedo 0.367 0.12
Visual magnitude -3.86 +0.21
TOO MUCH INFO??
2006-10-01 09:15:00
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answer #3
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answered by Anonymous
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On average the moon is 237,100 miles from the earth. At it's closest to earth it's 221,500 miles and at it's furthest it's 252,700 miles.
If you could drive your car to the moon and average 60mph, it would take you 165 days to get there!
2006-10-01 11:48:01
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answer #4
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answered by Feckpot 2
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Roughly 239000 miles, give or take a bit depending on the time of the month due to the moons rotation
2006-10-01 09:20:09
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answer #5
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answered by Anonymous
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It varies between about 360,000 to 405, 000 kilometers, depending on the position in the Moon's orbit. The orbit is slightly elliptical.
2006-10-01 09:16:17
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answer #6
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answered by jimgthornton 1
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384, 800 kilometers
2006-10-01 09:14:11
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answer #7
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answered by Andrea W 2
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Hi. Try this link: http://www.freemars.org/jeff/planets/Luna/Luna.htm
2006-10-01 09:16:13
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answer #8
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answered by Cirric 7
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384,400 km
2006-10-01 09:26:50
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answer #9
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answered by longblondedude 1
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it is as much as betweem me & u
2006-10-01 09:14:34
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answer #10
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answered by nice guy 1
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