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Jupiter and Saturn head for closest visible alignment in 800 years

Jupiter and Saturn head for closest visible alignment in 800 years

On Dec. 21, Jupiter and Saturn will appear to be no more than a dime’s width apart in the night sky. The last time that could be seen was in 1226.

For months, Saturn and Jupiter have appeared to be courting, as the giant celestial bodies have gradually drawn nearer in the night sky.

Over the next two weeks, as their orbits align more closely, the planets will pull closer until they appear to be just a tenth of a degree apart — about the thickness of a dime held at arm’s length, according to NASA.

Read more from Michael Levenson with New York Times here.