Built in Acton in London by the innovative team at Science Projects, the orrery turns against a giant ‘clock face' in the ceiling of the gallery depicting astronomically accurate constellation maps ...

And, as if those weren’t enough, the clock sports both a tellurion to keep track of the Sun-Earth-Moon system and a full orrery out to the orbit of Saturn, including all the major moons.

What in the heck is an Orrery? If you’re looking at the image above we’re sure you’ve already figured it out (kudos to the big brains that knew the word). For those that don’t get it ...