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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
fleuron
  • an ornament or knob in the shape of a flower
  • In architecture, a floral ornament; specifically, the large conventional flower usually placed in the center of the abacus of a Corinthian capital or classic ceiling-caisson; also, the floreated termination of a Gothic finial.
[ "The word 'fleuron' comes from French."]