What Happens When a Star Explodes
Using two of its new telescopes –one on the ground and one in space– NASA have seen one of the most puzzling cosmic blasts ever observed, which seems to be the destruction of a massive star. Astronomers say they have never seen anything this bright, long-lasting and variable before. Usually, gamma-ray bursts mark the destruction of a massive star, but Flaring emissions from these events never last more than a few hours, but high-energy radiation from it continued to be seen from it for more than a week afterwards. read more