The Voyager 2 spacecraft, which even today remain the only mission ever to visit the planet Neptune, snapped this image with its narrow-angle camera. Even with all the technology we’ve developed since then, thse views remain the most accurate, high-resolution pictures ever taken of the Solar System’s outermost planet. (Time Life Pictures/NASA/The LIFE Picture Collection/Getty Images)

Get Your Telescopes Ready: Neptune Is Coming

The Solar System’s outermost, undisputed planet wasn’t discovered until the 19th century. Here’s how you can easily find it yourself this December.

There’s no greater scientific thrill than discovering something brand new for the very first time. For millennia, humanity knew of only five…