Solar Wind loses power, hits 50-year low

In a briefing today at NASA headquarters, solar physicists announced that the solar wind is losing power.

Dave McComas is principal investigator for the SWOOPS solar wind sensor onboard the Ulysses spacecraft, which measured the decrease.

Ulysses, launched in 1990, circles the sun in a unique orbit that carries it over both the sun's poles and equator, giving Ulysses a global view of solar wind activity.

Read the full NASA story at: http://science.nasa.gov/headlines/y2008/
23sep_solarwind.htm?list1057721