Astronomy Basics

The essential concepts in astronomy the science and the hobby -- from Sky and Telescope magazine. Your First Steps in Astronomy. Astronomy doesn't deserve its reputation as a tough, expensive hobby. You just need to start with the right advice. This site covers Words Ya Gotta Know, Names of the Stars, The Stellar Magnitude System, Understanding Celestial Coordinates, The Spectral Types of Stars, An Introduction to Deep-Sky Objects, Names of Deep-Sky Objects, Time and the Amateur Astronomer