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Latest Ray Spectrometer Stories

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2011-05-04 08:54:16

MESSENGER carries a Gamma-Ray Spectrometer (GRS) that is capable of measuring and characterizing gamma-ray emissions from the surface of Mercury.


Word of the Day
gazingstock
  • A person or thing gazed at with wonder or curiosity, especially of a scornful kind.
The 'stock' of 'gazingstock' comes from an Old English word meaning 'tree trunk' or 'wood'.
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