The end of 2014 marks two decades of data from a NASA mission called Wind. Wind--along with 17 other missions - is part of what's called the Heliophysics Systems Observatory, a fleet of spacecraft dedicated to understanding how the sun and its giant explosions affect Earth, the planets and beyond.
The end of 2014 marks two decades of data from a NASA mission called Wind. Wind--along with 17 other missions - is part of what's called the Heliophysics Systems Observatory, a fleet of spacecraft dedicated to understanding how the sun and its giant explosions affect Earth, the planets and beyond.
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