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People on Earth don’t need a telescope to enjoy the event, but if you’re lucky, you can see the largest moons of both planets, according to Space.com.
If viewed with the naked eye, Jupiter would be the brightest planet in the night sky, while Saturn would be the weakest.
Saturn-Jupiter is the “Christmas star” you have been waiting for 800 years |
December 21 is also the closest night for Jupiter and Saturn since July 623, but at that time no one could see it because the phenomenon took place near the sun when viewed from the direction of Earth.
Therefore, the last time “Christmas stars” appeared in the night sky was in March 3226, when the helmets of Genghis Khan’s army swept across Asia.
Despite such a special distance that it almost merges into one in the night sky on December 21, Jupiter and Saturn are practically 730 million kilometers apart. Meanwhile, Earth will be 890 million kilometers from Jupiter.
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