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Moon Phases

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Alyssa Butac

on 27 February 2013

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Transcript of Moon Phases

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli Moon Phases New Moon New Moon- The first phase of the Moon that occurs when it passes between Earth and the Sun, making it either invisible or visible only as a thin crescent at sunset. Crescent (Waxing) Crescent (Waxing)- Is seen between the New Moon and the First Quarter Moon. It is seen for anywhere in the West to Southwest sky from a few minutes to a few hours after sunset. First Quarter First Quarter- The phase of the moon after the Waxing Crescent when only the right half of its face, when viewed from the Northern Hemisphere, it reflects sunlight to the earth. Gibbous (Waxing) Gibbous (Waxing)- The Moon appears high in the east at sunset. It’s more than half-lighted, but less than full. http://science.yourdictionary.com/new-moon http://earthsky.org/moon-phases/new-moon http://en.mimi.hu/astronomy/waxing_crescent.html Full Moon Full Moon-The phase of the Moon in which it is visible as a fully illuminated disk. This phase occurs when the Moon is on the opposite side of Earth as the Sun and is not in Earth's shadow. Gibbous (Waning) Gibbous (Waning)- Sails over the eastern horizon in the hours between sunset and midnight. Third Quarter Third Quarter- Third Quarter Moon looks half-illuminated. It rises around midnight, appears at its highest in the sky at dawn, and sets around noon. Crescent (Waning) Crescent (Waning)- The phase after the third quarter and before the New Moon. It is shaped like a crescent with the points to the right. Sources The reason the Crescent Waning looks the way it does is because, the Moon is nearly on a line with the Earth and Sun, the day hemisphere of the moon is facing mostly away from us once more. The reason the Third Quarter Moon looks the way it does is because, the Moon orbits around Earth at right angles to a line between the Earth and the Sun. http://www.moonconnection.com/moon_phases.phtml The reason the Full Moon looks the way it does is because, at full moon, the Moon and Sun are on a line, with Earth in between. The reason the Gibbous Waxing looks the wau it does is because,the moon has moved in its orbit so that it’s now relatively far from the sun in our sky. A waxing gibbous moon rises during the hours between noon and sunset. And it sets in the hours after midnight. The reason the First Quarter looks the way it does is because, it is one quarter of the way around in its orbit of Earth, as measured from one new moon to the next. The reason the Crescent Waxing looks the way it does is because, the Earth, Moon and Sun are located nearly on a line in space. If they were more precisely on a line, as they are at the New Moon, we wouldn't see the moon. The reason the Waning Gibbous looks the way it does is because it rises after sunset, transits to the meridian after midnight and sets after sunrise. http://www.thefreedictionary.com/first+quarter The reason the New Moon looks the way it does is because, when the Moon is between the Earth and the Sun, the bright side of the Moon is facing away from the Earth, and we have a New Moon . http://astronomy.swin.edu.au/cosmos/N/New+Moon
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