Armillary Sphere
Astronomical device invented in the Later Han dynasty. Three disks are arranged with a detailed angle index carved into each. Through this, an astronomical object's position in space can be read.
|
|
Armillary Sphere
Astronomical device invented in the Later Han dynasty. Three disks are arranged with a detailed angle index carved into each. Through this, an astronomical object's position in space can be read.
|
|
