In the complex dance of the solar system, two celestial bodies about to partner up.
Jupiter and Saturn often look far apart — two separate specks puncturing different parts of the night sky. But later this month, the two largest planets in the solar system will come so close to each other that they may appear to be overlapping, according to NASA, creating a kind of “double planet” that has not been visible since the Middle Ages.
Skywatch: What’s happening in the heavens in December
The once-in-a-lifetime sight is the product of an astronomical event known as a “conjunction,” in which two objects line up with each other in the sky. When it involves Jupiter and Saturn catching up to each other, it’s