Neutrino that struck Antarctica traced to galaxy 3.7bn light years away

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/AAzZdq1.img?h=100&w=100&m=6&q=60&o=f&l=f&x=2106&y=1973Discovery may solve 100-year-old puzzle of high-energy cosmic rays that occasionally hit Earth

أكثر... (http://www.msn.com/en-in/news/techandscience/neutrino-that-struck-antarctica-traced-to-galaxy-37bn-light-years-away/ar-AAzZWF0?srcref=rss)