Some fascinating images. Whirl of Stars - Amazing sky images from Australia-based photographer Lincoln Harrison. In Harrison& photos, the rotation of the Earth makes the stars appear as if they& traveling across the sky.
Victoria Crater, an impact crater at Meridiani Planum, near the equator of Mars. The crater is approximately 800 meters (half a mile) in diameter. Image: High Resolution Imaging Science Experiment (HiRISE) on Mars Reconnaissance Orbiter, NASA