Image Description
Image Credit
The great aurora of October 29, 2003, followed a massive coronal ejection that left the sun a day earlier. Pierre St. Hilaire
01 Jan 2007
The stratospheric-cloud diffraction ring was faint even when viewed by eye. However, it was captured faithfully by a simple Pentax Optio-30, 3.5-megapixel digital camera, CCD matrix. John Michael Williams
The nighttime sky in Yellowstone National Park takes on a daytime appearance in a 60-s exposure as a result of Rayleigh scattered light from a full moon. Joseph Shaw
The setting sun looks a lot like Jupiter in this photo because of distinct bands of forest fire smoke in the air between the observer and the sun. Joseph Shaw
This image shows a white-light visible supercontinuum source generated in photonic crystal fiber with a Mai Tai femotsecond laser. Thibaut Sylvestre
A fisheye image, looking straight up into the start of the break-up phase of an auroral display in Bozeman, Mont., on May 15, 2005. Joseph Shaw
A nearly all-sky fisheye image, looking straight up into a swirling auroral display in Bozeman, Mont., on May 15, 2005. Joseph Shaw
A fisheye image of the very colorful break-up phase of an auroral display in Bozeman, Mont., on 15 May, 15, 2005. Joseph Shaw
The nighttime sky over Yellowstone Lake with a daytime appearance caused by Rayleigh scattered moonlight. Joseph Shaw
The optical principle of "perspective" demonstrated by parallel lines converging to the zenith point in a fisheye image. Joseph Shaw