Extra: Nick Howes on Life & Death in Space

This podcast extra features the talk given by Nick Howes at Spring 2015's AstroCamp about life and death in space. Nick takes us on a fascinating tour of our universe and explains: Dangerous phenomena in the galaxy Martian meteorites The places in the solar system where life may exist Exploring comets The marvel of the Rosetta spacecraft How comets are discovered and named The Oort Cloud - home to a trillion comets The potential for asteroid impacts Comet Shoemaker Levy striking Jupiter How can we prevent asteroid strikes? Look for new objects in your sky images and online Why we should be concerned about Earth impactors and what we, the public, can do to mitigate this inevitable disaster scenario.