http://soho.nascom.nasa.gov/ Solar and Heliospheric Observatory en-us http://soho.nascom.nasa.gov/pickoftheweek/old/05sep2008/ An elongated coronal hole can be seen (diagonally across the Sun's center) in this September 3, 2008 image by SOHO. Coronal holes appear as darker areas when viewed in this extreme UV wavelength... http://soho.nascom.nasa.gov/rss/item0065 http://soho.nascom.nasa.gov/pickoftheweek/old/29aug2008/ Although it is not well-known to most people, the outpouring of particles called the solar wind is a part of the Sun's activity. Over a five-day period... http://soho.nascom.nasa.gov/rss/item0064 http://soho.nascom.nasa.gov/pickoftheweek/old/22aug2008/ A STEREO spacecraft observed several solar prominences rise and gyrate above the Sun over a two-day period... http://soho.nascom.nasa.gov/rss/item0063 http://soho.nascom.nasa.gov/pickoftheweek/old/15aug2008/ The two STEREO spacecraft continue to separate, by orbit design, so that they are 66 degrees apart from each other as... http://soho.nascom.nasa.gov/rss/item0062 http://soho.nascom.nasa.gov/pickoftheweek/old/08aug2008/ By zooming in on the sun's north pole area with STEREO Extreme UV Imager, we see quite clearly hundreds (if not thousands) of very brief spurts of plasma called spicules over... http://soho.nascom.nasa.gov/rss/item0061 http://soho.nascom.nasa.gov/pickoftheweek/old/01aug2008/ Here we have the best of both worlds: a ground-based total solar eclipse image from Akademgorodok, Siberia in Russia merged with two space images from the ESA/NASA SOHO spacecraft.... http://soho.nascom.nasa.gov/rss/item0060 http://soho.nascom.nasa.gov/pickoftheweek/old/19may2008/ The Pleiades star cluster (also known as the Seven Sisters and Messier 45) and Venus are gliding behind the Sun and moving towards each other in a conjunction or visual meeting... http://soho.nascom.nasa.gov/rss/item0059 http://soho.nascom.nasa.gov/pickoftheweek/old/16may2008/ Over a period of almost two days (May 9-10, 2008) numerous prominences and extensions danced above the Sun's edge as seen in... http://soho.nascom.nasa.gov/rss/item0058 http://soho.nascom.nasa.gov/pickoftheweek/old/02may2008/ SOHO's EIT telescope observed a wave streak across part of the solar surface when a (moderate) flare erupted on... http://soho.nascom.nasa.gov/rss/item0057