Rare 'Christmas Star' is Coming This December for the First Time in 800 Years

Look up at the night sky on winter solstice this year, and you’ll be able to catch a rare sight. On December 21, Jupiter and Saturn will appear closer to one another than they have in eight centuries. Alignments between the planets, known as a ‘conjunction’, is “rather rare,” Rice University astronomer Patrick Hartigan explained […]

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