👉 A cycloscope, also known as a "spider wheel" or "wheel of time," is a device used in astronomy to visualize and study astronomical phenomena. It consists of a series of rotating mirrors that are arranged in a circle around a central axis. The mirrors can be placed on different sides of the frame, allowing for multiple views of the same celestial object at once. The term "cycloscope" comes from the Latin word "circus," which means "circle." This