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Latest Five-Year Mission Of Discovery Stories

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2010-05-18 13:19:21

NASA's Solar Dynamics Observatory (SDO) passed a major milestone on May 14, when it completed its post-launch check out and officially began its five-year science mission to study the sun.


Word of the Day
marcescent
  • Withering but not falling off, as a blossom that persists on a twig after flowering.
The word 'marcescent' comes from a Latin word meaning 'to wither'.
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