Astronomers use the word conjunction to describe meetings of planets and other objects on our sky’s dome.
They use the term great conjunction to describe meetings of Jupiter and Saturn, the two biggest worlds in our solar system. The next great conjunction of Jupiter and Saturn will be December 21, 2020.
It’ll be the first Jupiter-Saturn conjunction since the year 2000, and the closest Jupiter-Saturn conjunction since the year 1623! At their closest, Jupiter and Saturn will be only 0.1 degrees apart. That’s just 1/5 of a full moon diameter.
The extra-close Jupiter-Saturn conjunction in 2020 won’t be matched again until the Jupiter-Saturn conjunction of March 15, 2080.
In astronomy, the great conjunction refers to the planetary alignment of Jupiter and Saturn. The last great conjunction took place on May 31, 2000, next is in December 2020.
This planetary alignment of Jupiter and Saturn take place every 19.85 years. This approx. 20 years duration has close similarities with the flying stars theory of marking out a new period. This is one reasons to believe that the changes of period in flying stars theory that originally developed; had came from observation of planetary alignment.
By following the planetary alignment, period 9 should be in 2020 instead of the commercially said 2024.
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