Water on pond ice, Slovakia, viewed through a polarized filter. (USRA's 16 December 2012 Earth Science Picture of the Day)
Doing the wave: Fractures in delicate new ice echo the ripples of the adjacent water. (One of several keen 13 December 2012 daily-stroll photos by LJ user
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... combine in today's Earth Science photo of the day: An image of a jade-green and wine-dark inland sea, divided by salinity, microbiology, and the Great Salt Lake Causeway. ( Cut for immense size )
-- Check out an astronomer's artsy Venus/Seven Sisters (Pleiades) image and "conjunction haiku," which are posted over at NASA's Astronomy photo of the day; thanks to apod for this and many other images. Additional images of the Venus-Pleiades conjunction can be found at SpaceWeather.com.