Back in 2000 SOHO achieved the first images of the far side of the sun using seismic holography on the MDI instrument. However, the technique was primitive and only allowed the center 1/3rd of the far disk to be imaged. A new technique delivers the http://www.nasa.gov/vision/universe/solarsystem/soho_xray.html of the far side in unprecedented resolution. http://soi.stanford.edu/press/farside_Feb2006/web/#movies.
SOHO Mission Extended Through 2009
http://www.universetoday.com/am/publish/soho_extended_2009.html?2452006
NASA and ESA's long-running Solar and Heliospheric Observatory (SOHO) has been given another mission extension, this time until December 2009.
Interesting comments:
"This mission extension will allow SOHO to cement its position as the most important spacecraft in the history of solar physics," says Bernhard Fleck, SOHO’s project scientist, "There is a lot of valuable work for this spacecraft still to do."
Soon, up to the year 2008, will follow 5 more probes to study the Sun.
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