Christmas gamma ray burst
... that one of the two theories about the Christmas gamma ray burst places it just 10,000 light years from Earth, but the other theory indicates a distance of 5.5 billion light years?
... that one of the two theories about the <b id="mwDjU"><a href="./GRB_101225A" id="mwDjY" rel="mw:WikiLink" title="GRB 101225A">Christmas gamma ray burst</a></b> places it just 10,000 <a class="mw-redirect" href="./Light_year" id="mwDjc" rel="mw:WikiLink" title="Light year">light years</a> from Earth, but the other theory indicates a distance of 5.5 billion light years?