Astronomy deals with the study of physical objects that exist in outer space.
Here is a selection of some recommended astronomy sites.
Astronomy.com - Online version of the world’s best selling Astronomy magazine including a wide variety of in-depth astronomy stories.
AstronomyNow.com - Astronomy Now Online: Official website of UK’s best-selling astronomy magazine. Includes a section on magazine stories, a news archive, a sky chart, links to resources, and an online store.
Please feel free to share your favorite Astronomy websites (with a short description).