Signs in the Sun : Massive Black Coronal Hole on Sun’s North Pole discovered by NASA (Jul 30, 2013)
SOURCE: http://www.foxnews.com News Articles: Coronal Hole In Sun 2013: NASA Finds Dark Spot Covering Nearly A Quarter Of The Star, Leaks Solar …
SOURCE: http://www.foxnews.com News Articles: Coronal Hole In Sun 2013: NASA Finds Dark Spot Covering Nearly A Quarter Of The Star, Leaks Solar …