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APOD: Cassini Spacecraft Crosses Saturn's Ring Plane (2014 Feb 23) Image Credit: Cassini Imaging Team, ISS, JPL, ESA, NASA http://apod.nasa.gov/apod/ap140223.html Explanation: If this is Saturn, where are the rings? When Saturn's "appendages" disappeared in 1612, Galileo did not understand why. Later that century, it became understood that Saturn's unusual protrusions were rings and that when the Earth crosses the ring plane, the edge-on rings will appear to disappear. This is because Saturn's rings are confined to a plane many times thinner, in proportion, than a razor blade. In modern times, the robot Cassini spacecraft orbiting Saturn now also crosses Saturn's ring plane. A series of plane crossing images from 2005 February was dug out of the vast online Cassini raw image archive by interested Spanish amateur Fernando Garcia Navarro. Pictured above, digitally cropped and set in representative colors, is the striking result. Saturn's thin ring plane appears in blue, bands and clouds in Saturn's upper atmosphere appear in gold. Details of Saturn's rings can be seen in the high dark shadows across the top of this image, taken back in 2005. Moons appear as bumps in the rings. http://ciclops.org/ http://spacescience.org/ http://saturn.jpl.nasa.gov/ http://www.esa.int/ http://www.nasa.gov/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140223 #APOD

Samsung's new Galaxy Gear wearable will come in two models, according to fuzzy leaked images

It definitely looks like a new Galaxy Gear. There's definitely two of them and... that's most of what we can discern from what appear to be some cannily sniffed-out thumbnails from, well, somewhere. According to @evleaks, they'll be known as the Galaxy Gear 2 and the Galaxy Gear Neo. Samsung's …

Seascapes: Fine Art Photography by Pavel Gospodinov

Seascapes: Fine Art Photography by Pavel Gospodinov<p>Gorgeous shots by Pavel Gospodinov, a travel, cultural and documentary photographer/videographer …

The 20 photographs of the week

The best photography in news, culture and sport from around the world this week

Understanding the Sunny 16 Rule

Once upon a time during the film era of photography…photographers had to keep a light meter handy at all times so they could take readings to get …