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NASA's SDO Performs Calibration Maneuvers NASA's SDO Catches a Lunar Transit Tracking Waves from Sunspots Gives New Solar Insight NASA's SDO Watches Magnetic Arches Tower Over Sun's Surface NASA's Van Allen Probes Spot Electron Rainfall in Atmosphere

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NASA's Solar Dynamics Observatory, or SDO, experienced a partial solar eclipse in space when it caught the moon passing in front of the sun. Scientists analyzed sunspot images from a trio of observatories - including the Big Bear Solar Observatory, which captured this footage - to make the first-ever observations of a solar wave traveling up into the sun's atmosphere from a sunspot. NASA's SDO during a routine EVE cruciform maneuver show the sun dodging in and out of the frame.


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The LWS Program provides missions to improve our understanding of how and why the Sun varies, how the Earth and Solar System respond, and how the variability and response affects humanity in Space and on Earth.

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