We aren’t sure how accurate you can get with LEGO, but a building block orrery looks cool, if nothing else. [Marian42] saw one done a few years ago and decided to build a version with a ...

Six tiny gears, a few fancy pins, and some clever casting are what it takes to build this tiny orrery. And patience — a lot of patience, too. As model solar systems go, this one is exceptiona… ...

Picture this: a small audience is quietly ushered into a darkened room. They gasp in awe, as a brilliant night sky shines above. They wonder—as many after them will do—what trickery has made the roof ...

This Earth and Moon orrery was built by PaulbotBuilds and posted on LEGO Ideas on March 13, 2023. For now, it achieved over 800 supporters.

It is, pretty much, an orrery: a mechanism that lets you build a rotating replica of the Earth, moon, and sun and see how their orbits interact with each other as they move through space.

Solar eclipses, like the one over North America on Monday, have fascinated observers for thousands of years. The Maya of Mesoamerica used their astronomical observations to predict eclipses. The ...