For units in astronomy, see astronomical system of units. The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year.
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Kwanzaa is the name of an African-American holiday that began in 1966. According to the creator of the holiday, Karenga, the name Kwanzaa derives from the Swahili phrase matunda ya kwanza, meaning first fruits of the harvest, although a more conventional translation would simply be first fruitsâ¦.