Thursday, February 22, 2007
Surprising Solar Storms Rage at Sun's South Pole
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Circinus GalaxyPosted by Posted by Ninja T. Penguin
(Ker Than - SPACE.com).
Relatively calm weather was the standard forecast for the Sun, which is near the end of another 11-year solar cycle, but raging solar storms just spotted at its south pole now tell a different story.
At the start of a solar cycle, sunspots-regions on the Sun marked by cooler temperatures and intense magnetic activity-tend to appear near the poles and move towards the equator as the cycle concludes.
Scientists were therefore surprised when Ulysses [image], a joint European Space Agency (ESA) and NASA spacecraft currently embarking on its third tour around the Sun [image] since launch in 1990, spotted intense solar storms near the Sun's south pole.
Solar storms are energetic explosions on the surface of the Sun caused by solar flares or coronal mass...
Read More...
Circinus GalaxyPosted by Posted by Ninja T. Penguin
(Ker Than - SPACE.com).
Relatively calm weather was the standard forecast for the Sun, which is near the end of another 11-year solar cycle, but raging solar storms just spotted at its south pole now tell a different story.
At the start of a solar cycle, sunspots-regions on the Sun marked by cooler temperatures and intense magnetic activity-tend to appear near the poles and move towards the equator as the cycle concludes.
Scientists were therefore surprised when Ulysses [image], a joint European Space Agency (ESA) and NASA spacecraft currently embarking on its third tour around the Sun [image] since launch in 1990, spotted intense solar storms near the Sun's south pole.
Solar storms are energetic explosions on the surface of the Sun caused by solar flares or coronal mass...
Read More...
