On 26/04/2013 9:46 PM, wrote:
If Betelgeuse goes supernova there is a pretty good chance you can say
bye bye to life on earth

Only if the GRB it produces is pointed towards us. That means that its
polar jets need to be pointed towards us within 2 degrees. The most
recent study done shows that its polar jets are pointed away from us by
about 20 degrees, so we're safe.

Yousuf Khan