Jupiter and Saturn will form a ‘double planet’ in the sky – just in time for Christmas

  • 05 Dec - 11 Dec, 2020
  • Mag The Weekly
  • Mag Files

For the first time in 800 years, stargazers will be able to witness a spectacular "double planet." According to Popular Mechanics, Saturn and Jupiter will appear to be on top of each other in the western sky, creating what will look like a double planet on December 21. "Alignments between these two planets are rather rare, occurring once every 20 years or so, but this conjunction is exceptionally rare because of how close the planets will appear to one another," Patrick Hartigan, professor of Physics and Astronomy at Rice University in Houston, Texas, told The Tribune. "On the evening of closest approach on Dec. 21, they will look like a double planet, separated by only 1/5th the diameter of the full moon," he added. To see the rare phenomenon, Hartigan writes on his website that you need to have good weather with a clear sky and "no low clouds in the distance." If for some reason you miss the event on Dec. 21, Hartigan says not to fret. "If it is cloudy or you miss it for some reason don't worry, the conjunction is an ongoing event! Any time from December 17 through Christmas will find the two planets closer together than the diameter of the full Moon, and that is closer together than they usually ever get during most of the other years that have these conjunctions," he says. The next conjunction of this kind won't take place until March 15, 2080.

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