Did Astronomers See a Distant, Dying Star? Or an Earth-bound Satellite?

Last year, astronomers caught a surprising flash of light from the most distant galaxy known — GN-z11, which existed just 400 million years after the Big Bang. The team proposed, after ruling out other possibilities, that what they had seen was the fading afterglow of a dying star. The event would have heralded the earliest example of star death in the known universe. That is, if the light came from a star at all. Two studies appearing October 4th in Nature Astronomy make the case that what the original team saw was not a natural phenomenon but the chance passing of a manmade object in Earth orbit. More

(Source: SkyandTelescope.com - Oct 5)