whaa?????
2007-04-28 03:12:08
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answer #1
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answered by RoHo 7
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The Moon is not changing shape.
What you are seeing is the change in the part of the Moon that is illuminated by the sun.
A full Moon is when the Earth is between the Moon and the sun, so the sun is shining from behind us and lights up all of the par of the Moon that we can see.
A half Moon is when the sun Earth and Moon are at right angles. The sun is still illuminating the half of the moon facing it, but what is facing us is half of the unlit side and half of the lit side.
A new Moon is when the Moon is between us and the sun and the lit side of the Moon is facing away from us and we can only see the unlit side.
Other than a few satellites and the Earth's atmosphere, there is nothing between the Earth and the Moon.
2007-04-28 03:19:49
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answer #2
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answered by Simon T 6
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The moon does not change its shape; the appearance of the moon (the phases) is a result of the way sun light falls on the surface of the moon. Note, the earth plays no role in the sun "light falling on the moon, except in the extraordinary case where the earth lies between the sun and the moon.
Here is a wonderful explanation from the web as to why we don't have eclipses of the moon every month.
From:
http://www.mreclipse.com/Special/LEprimer.html
"Now you might be wondering "If the Moon orbits Earth every 29.5 days and lunar eclipses only occur at Full Moon, then why don't we have an eclipse once a month during Full Moon?". I'm glad you asked! You see, the Moon's orbit around Earth is actually tipped about 5 degrees to Earth's orbit around the Sun. This means that the Moon spends most of the time either above or below the plane of Earth's orbit. And the plane of Earth's orbit around the Sun is important because Earth's shadows lie exactly in the same plane. During Full Moon, our natural satellite usually passes above or below Earth's shadows and misses them entirely. No eclipse takes place. But two to four times each year, the Moon passes through some portion of the Earth's penumbral or umbral shadows and one of the above three types of eclipses occurs."
2007-04-28 03:19:33
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answer #3
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answered by Anonymous
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The mjoon does not change shape. Well actually scientifically it does, but its a process that takes billions and billions of years.
What you mean is why the moon is sometimes always a full circle, sometimes it is a crescent etc.
This is because of the earths shadow on the moon. You will see the moon when the sun is on one side of the earth and the moon is on the other side of the earth and slightly esposed to the sun. BY how much the moon is exposed will determine what you see. The black area on the moons surface is the earths shadow
2007-04-28 03:14:54
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answer #4
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answered by John W 2
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I can't believe the number of people who answered this saying the phases of the Moon are due to Earth's shadow! Would all those people like to explain how Earth's shadow can go through such contortions to appear convex, then straight, then concave?!?!?!?!?
The phase of the Moon is nothing more than the effect of the sunlight illuminating different areas of it as it orbits Earth. Use a tennis ball and a torch in a dark room. Hold the tennis ball in front of you at arm's length and shine the torch on it from the side. You'll see half the tennis ball lit up. Now hold the torch on the other side. The other half is lit up. Now hold the torch just above your head and shine it on the tennis ball. You'll see the whole face of it lit up. Now point the torch at it from behind and you'll see the whole side in darkness. Now try holding the torch at different angles, and watch your tennis ball show any and all phases that the Moon shows.
2007-04-28 07:54:49
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answer #5
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answered by Jason T 7
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The moon does not litterally change shapes, It just rotates around us and we can only see the side that is illuminated by the sun. The relation goes between the moon's position relative to the sun and what we see on earth.
2007-04-28 03:12:47
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answer #6
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answered by Clayton M 2
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it is NOT because of the Earths Shadow.... it is SHOCKING how many people make this mistake. The earths shadow only VERY rarely crosses the moon, cause a LUNAR eclipse, and the transit time is around 5 minutes. The reason the moon "appears" to change shape is because full ine HALF of the moon is ALWAYS lit up and illuminated by the sun.... sometimes this "lit" half is directly away from us blocked by the "dark" face of the moon
2016-05-20 22:58:47
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answer #7
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answered by ? 3
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The moon doesn't change shape.On the surface a comet or asteroid will alter the face [like a zit on your]The moons gravity alters the oceans of the world[high and low tides] It also holds the earth in its orbit.The moon is moving away from us an inch or two every ten years.Eventual it will move far enough to alter our orbit.They believe that the poles will shift and if man still lives.They wont for long as we travel far into space.But this wont happen for thousands of years.
2007-04-28 03:19:41
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answer #8
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answered by yp_tim_gillett 2
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The moon doesn't change shapes but what we see are the different phases when the light from Earth bounces off of it and back to us.It also has a dark side that is never seen prominently from Earth even with the light.
2007-04-28 03:53:58
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answer #9
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answered by ? 4
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the moon isnt warping or anything, the Earth is just blocking some sun.
in a new moon, the Earth entirely blocks out the sun for the moon.
Ina full moon, the planet isn't blocking any part.
2007-04-28 03:12:49
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answer #10
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answered by Eddyking4 2
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Earths atmosphere can distort light reflected of the moon. Its like looking through a glass bottle. The magnetic field which protects us from solar radiation also distorts light.
2007-04-28 03:15:09
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answer #11
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answered by wisemancumth 5
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