Here's a few tips to get the most out of skywatching or to help become an amateur astronomer 1) Don't be put off by light polution 2) Buy or subscribe to an astronomy magazine 3) Visit a local observatory...
Orreries (named for the Earl of Orrery) are mechanical models of the solar system originally intended as educational tools, and also often used as ornaments. They are often called Planetariums. Generally...