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Astronomers are also talking about a great astronomical phenomenon Jupiter and Saturn they are about to get very close to the night sky, something that has been happening for the last 400 years.
Before 2020 comes to an end, on Monday, December 21, Jupiter and Saturn will appear to form a “double planet». A coupling as spectacular as this planetary alignment has not occurred in nearly 800 years. When their orbits align every 20 years, Jupiter and Saturn get very close.
The great conjugations occur when Jupiter, which surrounds the sun in the shadow of less than 12 years, and Saturn, which orbits every 29.5 years, align directly with the Earth. The phenomenon coincides with the winter solstice, when the tilt of the northern hemisphere away from the sun produces the shortest day and the longest night.
The 2020 grand coupling is particularly rare as these planets have not been found this close for about 400 years and have not been visible this close at night since the medieval years, in 1226.
Alignments between these two planets are very rare, occurring roughly every 20 years, but this coupling is particularly rare due to the fact that they will appear extremely close to each other. The astronomer Patrick Hartigan from Rice University said in a statement that “You have to go way back, to sunrise on March 4, 1226, to see a closer alignment between these objects in the night sky.”
What is the great coupling
In 1610 the Italian astronomer Galileo Galilei discovered the four satellites of Saturn and the “rings” of Saturn. Not long after, in 1623, these two planets were aligned for the first time. The conjugation is sometimes called the “Christmas star” because of its connection to the story of the birth of Christ. In the story, the star guides the Magi to the house of Jesus, which many Christians believe was a miracle. Astronomers have tried to link the star to several rare celestial events, including comet, supernova, and conjunction.
Astronomers use the word coupling to describe the meeting of objects in the night sky, and the “great coupling” occurs between the 2 largest planets in our solar system. Jupiter and Saturn.
The planets will be so close that they will appear somewhere as if they overlap, thus creating a rare “interplanetary” effect.
However, although they appear to be very close to Earth, they will actually be very far away.
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