Uranus and Neptune are actually similar blues

In the summer of 1989, from a remote expanse of our solar system where sunlight is merely a tepid glow, NASA's Voyager 2 spacecraft radioed to Earth humankind's very first images of Neptune.

The pictures revealed the sun's outermost planet was a stunning, deep blue orb.

In contrast, Uranus, Neptune's planetary neighbor and the first to be discovered with a telescope, appeared noticeably paler.

Both seemingly twin worlds have a lot in common.

They're roughly the same size, almost equally massive and are both enveloped with deep atmospheres made of similar materials.

A fresh analysis of Voyager 2's images show both ice giants are in fact a similar shade of greenish blue, which is the "most accurate representation yet" of the planets' colors, the new study finds.