Courtesy: fistchat.com - Hosted and Produced by Stephan Kern & Ben Warner.
It might sound like the plot of a B-movie, but our Milky Way galaxy is due to collide with the Andromeda Galaxy in about five billion years time. Steve and Ben talk about this intergalactic smash up and how the ages of galaxies are determined. Also on the show this week: the transit of Venus, the new homes of the Square Kilometre Array, and the impending arrival of Ridley Scott's Prometheus.

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