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Dim objects called brown dwarfs, less massive than the Sun but more massive than Jupiter, have powerful winds and clouds -- specifically, hot patchy clouds made of iron droplets and silicate dust. Scientists recently realized these giant clouds can move and thicken or thin surprisingly rapidly, in less than an Earth day, but did not understand why.

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Join #AskSpitzer campaign for the 14th anniversary celebration!

07.17.17 Posted by Azusa Minamizaki

August 25 marks 14 years since NASA's Spitzer Space Telescope was launched into space from Cape Canaveral in Florida. Send us your questions with a hashtag #AskSpitzer on Twitter or Facebook between July 17th and August 4th. Select questions will be answered by Spitzer experts in an upcoming anniversary video.

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