Separately, Samsung's mobile president said it is still investigating the explosion of a Galaxy S III in Ireland.

MSN: Samsung: Galaxy S III sales to hit 10M in July

Now that Dr van Paradijs's team, and another led by Kailash Sahu at the Space Telescope Science Institute in Baltimore, have had time to look properly at the fading point of light, they have noticed a faint fuzz around it that looks as if it could be a galaxy playing host to a dramatic explosion.

ECONOMIST: Astronomy

To be seen from the earth they would need to put out a billion times more power even than a supernova (a stellar explosion which, in turn, can outshine an entire galaxy of 100 billion stars).

ECONOMIST: Astronomy