On Monday night, a truly rare astronomical event will occur: Jupiter and Saturn will align in what NASA’s calling the “great conjunction.”
Jupiter and Saturn align in the sky once every two decades, according to NASA. Why are they calling this a great conjunction, then? For one, it’s been nearly 400 years since the two planets will appear this close to each other in the sky. To us, it’ll look like they’re a tenth of a degree apart; NASA said that at arm’s length, a pinky finger could cover both planets.
A “great conjunction” occurred in July 1623 but it was impossible for humans to see because it was so close to the sun, according to the Associated Press. Read more…
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Source : Watch the skies as Jupiter and Saturn align at night for the first time in 800 years
