U of Arizona planetary scientist Erich Karkoschka has clocked Neptune cruising around at a cool 15 hours, 57 minutes and 59 seconds. Read the story: http://uanews.org/node/40494. And then check out the passionate Eric Németh, my favorite starguide to the universe on facebook: https://www.facebook.com/pages/THE-UNIVERSE-Yours-to-discover/180405185346910?sk=info.
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