Monday, September 26

Jewelry in the making

Gold and white enamel are combined into a fine filigree for this brooch. But don’t wear it or it may freeze to your skin. This picture shows dry ice beds at the south pole on Mars. Carbon dioxide freezes into ponds that later sublimate (turn directly into gas) and disappear for the rest of the year. So far nobody knows what gives the pit walls their gold color.

Boy, you just never know what you’re gonna find out there in the big ol’ universe, do ya?

Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA

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