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14 January 2008
Ulysses Passes Over Sun's North Pole

Continuing on its epic journey around the Sun, Ulysses has reached the Sun's north pole just in the nick of time. In fact, its timing couldn't be better, just as the Sun begins "Solar Cycle 24". The probe is in a unique orbit, passing over the solar north and south poles, out of the ecliptic plane [...]

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Filed under: Solar Astronomy, Missions, NASA, solar, esa, observatory, orbital

 

21 December 2007
Hinode Discovers the Sun's Hidden Sparkle

Blinking spots of intense light are being observed all over the lower atmosphere of the Sun. Not just in the active regions, but in polar regions, quiet regions, sunspots, coronal holes and loops. These small explosions fire elegant jets of hot solar matter into space, generating X-rays as they go. Although X-ray jets are known [...]

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Filed under: Solar Astronomy, Missions, flare, jets, usa, sun, observations, X-ray, Optical, japan, nanoflare, telescope, europe, microflare, EUV, solar, spectrometer, hinode