Planets Jupiter (left) and Saturn are seen during the Great Conjunction from the Griffith Observatory in Los Angeles.

Planets Jupiter (L) and Saturn are seen during the great conjunction from the Griffith Observatory on the same day as the winter solstice, December 21, 2020 in Los Angeles, California. – The great conjunction refers to the astronomical alignment of Jupiter and Saturn, the closest for nearly 400 years. (Photo by Patrick T. Fallon / AFP) (Photo by PATRICK T. FALLON/AFP via Getty Images)