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Why at New Moon the moon is visible very small and keeps increasing every night up to full Moon. Why does the Moon Increase and Decrease every fortnight.

2006-12-06 10:51:40 · 6 answers · asked by Anonymous in Science & Mathematics Earth Sciences & Geology

6 answers

It's all about location. The Moon travels around the Earth,.. the Earth travels around the Sun. The Missing Moon your seeing,.. is a Shadow of the Earth. The Moon positions where the sun hit's it completely at one point and where the sun can't reach it at all at another. Okay,.. actually there are more ways this can happen,.. the Moon can get between the Earth and the Sun (Solar Esclipse),.. The Moon can suddenly disappear from the Earth and the Moon being place so suddenly the Earth is blocking it from the Sun in a strange way brifly ( Lunar Eclipse),..

I'm so tired right now.

2006-12-06 11:02:30 · answer #1 · answered by sailortinkitty 6 · 0 0

As seen from the earth, both the sun and the moon seem to be in rotation around it. The sun makes 1 revolution in 1 day, and the moon in about 28 days. So, if on a particular day, they are at the same position, they will keep drifting apart as time progresses. The sun being faster, the moon lags behind the sun.

Say, day 0, the sun and moon are at the same angle w.r.t. the earth. This will be "amavasya", no moon seen, because the sunset and moonset happen together!
(Darshas suryendu sangamah!)

The next day,at sunset, the moon will not set, but will be a little higher up on the horizon. We will be able to see a small portion of the edge of its surface illuminated by the sun. Day by day, the moon is farther behind the sun, and less and less of its illuminated surface is hidden from view, until the "poornima", when the moon is just opposite the sun. On this day, we see all its illuminated surface, the full circular disc.

After that, again, the sun and the moon are no longer on opposite sides of the earth, and gradually larger and larger parts of its illuminated surface gets hidden, until "amavasya" again.

In a way, the moon hides part of its own face from the earth.

2006-12-06 19:25:42 · answer #2 · answered by Seshagiri 3 · 0 0

Why do you ask such a basic question? Where do you go to school.

Shine a light on a ball. It can only light one side of it. View that ball from different angles and you see different amounts lit up.

It's as simple as that. Surely you can see the moon as a ball. And if you see the half moon in the sky during daylight, you can see where the sun is in relation to it, and why only half of the moon is lit up.

2006-12-06 11:30:44 · answer #3 · answered by nick s 6 · 0 0

i have been to planet peni s and placed the finished journey to be a delectable component to endulge in. My Mars bar were given stuck in a touch unlucky position, so the missus had slightly a bounty when I arrived, with the purpose to talk. T'replaced right into slightly a marathon with techniques from the properly of the consultation, and my piles took a fortnight to heal, so i wish you heed my suggestion and do not bar me........ BTW.. Is the pub open yet?

2016-11-30 05:49:05 · answer #4 · answered by ? 4 · 0 0

The moon waxes and wanes because the amount of sunlight that hits the moons surface is different every day, making the moon appear smaller and bigger.

2006-12-06 10:57:04 · answer #5 · answered by Dana Mulder 4 · 0 0

complex stuff. do a search in bing and yahoo. it can assist!

2014-12-07 15:26:35 · answer #6 · answered by Anonymous · 0 0

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