Both Venus and Saturn will be in the Aquarius constellation, the water bearer, during their close approach. To help spot it, viewers should look towards the south in the evening sky, using the bright star Fomalhaut in the nearby Piscis Austrinus constellation as a guide to locate Aquarius.

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the month – four of which will be visible with the naked eye, Preston Dyches, public engagement specialist at the NASA Jet Propulsion Laboratory and host of NASA's "What's Up" skywatching series, told ABC News.