Some fascinating images. Whirl of Stars - Amazing sky images from Australia-based photographer Lincoln Harrison. In Harrison's photos, the rotation of the Earth makes the stars appear as if they're traveling across the sky.
Self-portrait of the photographer, Travis Burke, shooting the Milky Way under Utah’s Delicate Arch, with a little creative lighting from a flashlight. Camera settings: 50 sec., ISO Photo by Travis Burke
How to Calculate Long Exposures in Night Photography