Mysterious X-ray burst in sky has astro**mers puzzled

[ahlam1399]

NASA detected a mysterious burst of bright X-rays in a remote part of the universe and astro**mers are trying to figure out its source.http://feeds.feedburner.com/~r/NydnRss/~4/JAXzAmKPi30

أكثر... (http://feeds.nydailynews.com/~r/NydnRss/~3/JAXzAmKPi30/mysterious-x-ray-burst-sky-astro**mers-puzzled-article-1.3022294)