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NASA - Science@NASA Podcast
With a paid subscription, you can hear the Science@NASA Podcast on your mobile phone with Vemail by . 10.2.2008 - How Round is the Sun? Scientists using NASA's RHESSI spacecraft have measured the roundness of the sun with unprecedented precision, and they find that it is not a perfect sphere. During years of high solar activity the sun develops a thin "cantaloupe skin" that significantly inc
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