A month ago, June 30, astronomers around the world marked the first Asteroid Day, drawing attention to the need for a better survey of near-Earth asteroids.
Now you can watch the panel discussion that took place at the Science Museum in London, involving founder Grig Richters, Brian May, Stuart Clark, Sir Crispin Tickell, Debbie Lewis, Richard Crowther, Alan Fitzsimmons, Lord Martin Rees, and Lewis Dartnell.
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