[sotd] SOHO - NASA [March 15, 2006]

  • From: "The Site of the Day" <sotd@xxxxxxxxxxxxxx>
  • To: sotd@xxxxxxxxxxxxx
  • Date: Wed, 15 Mar 2006 11:22:24 -0400

        Site of the Day for Wednesday, March 15, 2006

        SOHO - NASA

Today's site, from NASA on the Solar and Heliospheric Observatory
spacecraft, presents dramatic images, and a galaxy of information about
SOHO and the data it has collected over its more than ten year sojourn near
the sun. With so many earth-origin objects chugging around the earth and
solar system, Gentle Subscribers may have overlooked the invaluable
scientific information and stunning photos still being transmitted by this
venerable spacecraft.

"SOHO was launched on 2 December 1995, for what was originally planned as a
two-year mission. Ten years later, it's still going strong. ... In 1997 the
mission was extended until 2003 because of its spectacular success. In
2002, a second extension of another four years was granted, that is,
through March 2007. This will allow SOHO to cover a complete 11-year solar
cycle. ... SOHO is designed to study the internal structure of the Sun, its
extensive outer atmosphere and the origin of the solar wind, the stream of
highly ionized gas that blows continuously outward through the Solar
System." - from the website

As with any NASA presentation, there's no shortage of fascinating science,
especially on a project of this duration. An excellent starting point is
the pdf. file, "SOHO Fact Sheet", with a summary of the SOHO mission and
craft, under "The Mission" -- About" link in the left frame. Additional
detailed information and diagrams about the craft, its instruments and
operations are also available. Clicking on the celebratory image on the
homepage leads to a collection of some amazing facts about the mission and
perhaps the highlight of the site -- SOHO's dazzling imagery.  In the "Dr.
SOHO's Frequently Asked Questions" section a range of interesting topics,
from how space weather affects earth to the future of the sun are
discussed.

Soar to the site for scientific data and breathtaking photos from the Solar
and Heliospheric Observatory mission at:

http://sohowww.nascom.nasa.gov/

  A.M. Holm
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