The Bootes constellation was experiencing some turbulence some 4 billion years ago. No worries, though, there are currently no scehduled flights through the Bootes constellation, nor were there any flights reported 4 billion years ago. Also, this poses no threat to Earth's nascent space colonization plans, as the explosion took place almost 4 billion light years away (and 4 billion years ago).

The turbulence is due to a star being torn apart by a black hole. Pretty cool stuff, I wish I knew a little more about gravity and the physics behind the 'plosion.

Here's the