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Opportunity rover covered in Martian dust
2014-05-07 07:50:51

redOrbit Staff & Wire Reports - Your Universe Online Dust is everywhere on Mars, and plays a key role in the red planet’s weather, according to a Texas A&M University researcher who has spent much of the past decade observing the phenomenon. Mark Lemmon, associate professor of atmospheric sciences at Texas A&M, has served as a camera operator on numerous Mars missions, especially those involving the Mars exploration rovers Spirit and Opportunity. Spirit landed in 2004 and...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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