What NASA calls its 'Heliophysics Observatory' is an impressive fleet of spacecraft designed (often with international partnership) to study the relationship between the Sun, Earth, and Solar System. Flying in an array of trajectories and orbits, many of these satellites do not take images in the conventional sense but record fields, particle energies and fluxes in situ to give mankind a better understanding of space weather and space environments. Find this video for HD download at:http://svs.gsfc.nasa.gov/goto?3595Want more? Subscribe to NASA on iTunes!http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434Or get tweeted by NASA:http://twitter.com/NASAGoddard
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