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Tonight … an astronomical phenomenon that occurs for the first time since 1623.

The world is witnessing, on Monday evening, an astronomical phenomenon, the first in 400 years, represented by an apparent convergence between Jupiter and Saturn that can be seen with the naked eye.

Jupiter needs 12 years to orbit one revolution around the sun, while Saturn needs 30 years, so this means that for us both planets approach each other once every 20 years, and the distance between them is usually between one degree to two degrees. The distinction of this year’s pairing is that the distance between them will be only 6 arc minutes, which is equal to one-tenth of one degree! It is just less than a quarter of the moon’s apparent diameter This is a very small distance.

The last time the conjunction occurred at such a distance was about 400 years ago, on July 16, 1623, but the paradox is that this conjunction was only seen from areas close to the equator, because Jupiter and Saturn were close to the sun, and therefore it can be said that the last conjunction A similar one that could be seen from most regions of the globe was 800 years ago, on March 05, 1226 AD, and the distance between them was only two arc minutes!

To watch this event: “Look to the west as soon as darkness falls, and you will notice a very bright white body above the western horizon. This is Jupiter, and above it is another bright golden-colored body. This is Saturn, and if you look at the sky before December 21, you will notice both bodies also except They will be farther from each other, and the distance between them will decrease with the passage of days until they reach the lowest possible on the night of Monday December 21, and they can be seen in the following days as well, but the distance between them will increase, and Jupiter will surpass Saturn.

The next identical conjunction will be in 2080 AD, and the next in 2417 AD , so try to take the opportunity.

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