The Solar Dynamics Observatory, or SDO ... In a lot of ways, SDO has its roots in the earlier Solar and Heliospheric Observer, or SOHO, the wildly successful ESA solar mission.

Step aside, Darth Vader. National Aeronautics and Space Administration (NASA)'s Joint EUV Coronal Diagnostic Investigation, also known as JEDI, has an even bigger task to balance the force in space, ...

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the image in blue is from the Manua Loa Solar Observatory's K-Cor coronagraph, and the image in red is from ESA and NASA's Solar and Heliospheric Observatory.

Observed by NASA and ESA’s Solar and Heliospheric Observatory (SOHO), the comet’s tail extended dramatically as it encountered intense solar winds, providing a unique opportunity to study the ...