The holiday season holds a special gift, as skygazers on Earth will be treated to a great conjunction of the planets Jupiter and Saturn. On December 21, the two largest planets in our solar system will appear just one-tenth of a degree apart, or one-fifth of the diameter of a full Moon. This is the closest visible conjunction of the planets seen since the year 1226, when the empire of Genghis Khan reached its end, and the legend of Robin Hood began to take shape. Come together, right… in about three weeks… A visual and auditory tour of the Great…
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