The Moon in Motion

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The Moon in Motion

The Moon in Motion

TidesTides: the movement of oceans due to the Moon and Sun. Basically, tides are the movement of the ocean, caused by the gravitational pull of the Moon and the Sun. Each day, there are two high tides. The rest of the day, there are low tides. These usually occur when the Moon is near the equator, usually in the morning and in the evening. In this diagram on the left, there are examples of spring tides and neap tides. Spring tides only occur during New Moons and Full Moons. When this occurs, high tides are higher than usual, and low tides are lower than usual. Neap tides occur during the Moon's First Quarter and Third Quarter phases. In this case, high tides are lower than usual and low tides are higher than usual. This all happens because of graviy.

Moon PhasesThe Moon appears in different shapes almost every night. They are part of a process called Moon phases. The Moon rotates around the Earth counter-clockwise, recieving and reflecting different amounts of light from the Sun. This causes the Moon's "different shapes". These "shapes" appear in a pattern. This pattern is called the Moon phases (as seen to the left).



EclipsesEclipses are what occur when the Sun, Earth, and Moon line up in order, where either the Moon or Earth are in one or the other's shadow. There are two types of eclipses: lunar eclipse and solar eclipse. Lunar eclipses occur during the night while the Moon is in its Full Moon phase. During a total lunar eclipse, the entire Moon is under the umbra shadow caused from Earth (right). These look astounding! Partial lunar eclipse, only part of the Moon passes through Earth's umbra shadow. And finally, the penumbral lunar eclipse passes through Earth's penumbral shadow. These are hard to observe. Then, there are solar eclipses. These occur during the New Moon phase. When these happen, the Moon blocks the Sun, and we see a big, black circle in the middle of the sky. This is the penumbra shadow. The surrounding light is the umbra shadow. However, there isn't an eclipse every month. This is because the Moon travels around the Earth at different elevations instead of traveling straight around. So, eclipses are very cool to see, and also, very detailed.

Moon Phases


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