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Latest Goddard Center for Astrobiology Stories

comet ison
2014-08-12 07:30:05

A NASA-led team of scientists has created detailed 3-D maps of the atmospheres surrounding comets, identifying several gases and mapping their spread at the highest resolution ever achieved.


Word of the Day
deuteragonist
  • A person in a secondary role, specifically the second most important character (after the protagonist).
The word 'deuteragonist' comes from a Greek word meaning 'an actor of second-class parts'.
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