Jupiter and Saturn Great Conjunction Tonight After Sunset — Closest Since 1226, Nearly 800 Years Ago.

Jupiter and Saturn in lower right, the moon in upper left, on Saturday, December 19, 2020, Albuquerque, New Mexico, as the two biggest planets in our solar system are moving to only 0.1 degree apart tonight on December 21, 2020. Even though Jupiter-Saturn conjunctions happen every 20 years, this will be the closest observable “grand conjunction” since 1226, which was 794 years ago. The planets are still far apart physically in our solar system, 456 million miles apart, but their light will look like they have joined together in one bright star. Image © 2020 by Linda Moulton Howe, Earthfiles.com.

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