... Credit Copyright: SOHO - EIT Consortium, ESA , NASA Explanation: On August 27th twisting magnetic fields propelled this huge eruptive prominence a hundred thousand miles above the Sun's surface. The seething plasma of ionized gases is at a temperature of about 150,000 degrees Farenheit and spans over 200,000 miles (about 27 Earths). ... This is the largest solar prominence observed by SOHO instruments since they began exploring solar phenomena in early 1996. ... NASA Official: Jay Norris. ...