Citizen Astronomy 1 Ideas for Citizen Science in Astronomy

We review the relatively new, internet-enabled, and rapidly-evolving field of citizen science, focusing on research projects in stellar, extragalactic and solar system astronomy that have benefited from the participation of members of the public, often in large numbers. We find these volunteers making contributions to astronomy in a variety of ways: making and analyzing new observations, visually classifying features in images and light curves, exploring models con-strained by astronomical datasets, and initiating new scientific enquiries. The most productive ar X i