Word of the Day

Precession

The slowly changing position of the stars and equinoxes in the sky resulting from variations in the orientation of Earth’s axis.

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    Lenticular Cloud

    Lenticular clouds are only seen around mountains. These strange clouds are easy to spot, because they look like flying saucers or a stack of pancakes. Their most interesting characteristic is that they don't move. Winds blow right through them, while other clouds are swept away.

    Leeway

    The lateral movement of a ship to the leeward of her course; drift.

    Moon’s place

    Astronomical: The actual position of the Moon within the constellations on the celestial sphere. Astrological: The astrological position of the Moon within the zodiac according to calculations made more than 2,000 years ago. Because of precession of the equinoxes and other factors, this is not the Moon’s actual position in the sky.

    Dewpoint temperature

    The temperature to which a given parcel of air must be cooled before it becomes saturated; the temperature of an object when dew first forms on it.

    Nipper

    A fore tooth of a horse. The nippers are four in number.

    Plough Monday

    The first Monday after Epiphany and Plough Sunday was so called because it was the day that men returned to their plough, or daily work, at the end of the Christmas holiday. It was customary for farm laborers to draw a plough through the village, soliciting money for a "plough-light," which was kept burning in the parish church all year. In some areas, the custom of blessing the plough is maintained.

    Apogee

    The point in the Moon’s orbit that is farthest from Earth.

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