ScienceWeek.ie - As part of the 2010 Science Week lecture series, astronomer Jocelyn Bell Burnell examines the threats from space and explains how much truth there is in the suggestions that killer asteroids, lethal solar flares or the black hole at the centre of the Milky Way (for example) could cause the end of the Earth. This video includes questions and answers with the audience near the end of the lecture.
