NASA said.Freeze fream image of Jupiter and Saturn in "Great Conjunction" over Dublin, Ireland. (Gary Stevenson via Storyful)RELATED: ‘Christmas star’: Jupiter and Saturn to align at closest distance in 400 years — here’s how to watch"Jupiter and Saturn are going to be just a 10th of a degree apart in the sky, which is so close that if you extend your pinky out at arm's length, you’ll be able to cover both planets very easily with your pinky," Henry Throop, an astronomer with NASA, said.Jupiter and Saturn aligned in the night sky over Kerala, India, on Monday, December 21. (Credit: Skp Vishaal via Storyful)The planets will be visible to the naked eye when directed toward the southwest just after sunset, according to NASA.