Under the brittle, icy crust of Titan lies a surprisingly icy mush, followed by a liquid ocean and a core of rock and ice, new data suggest.
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A male White-winged Fairy-wren (Malurus leucopterus), photographed near Condobolin in NSW.
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<br />EXIF: Canon EOS 50D : 1/1000 sec : f/5.6 : 400 mm : ISO 125