Hyper Velocity Stars with Prof Geraint Lewis (176)

<p><span style="font-size: 10pt;">One star, observed in outback Australia, may hold new clues to dark matter and black holes. It's a milky way neighbour but moving very fast. Prof Geraint Lewis takes Dr Karl on his quest for answers.</span><br /> <span style= "font-size: 10pt;">http://www.physics.usyd.edu.au/~gfl/</span></p>