In May, hundreds of international experts will meet to consider how best to react should planet Earth ever be threatened by a large object. The 2011 Planetary Defence Conference includes top experts from space organisations worldwide.
The 2011 Planetary Defence Conference (PDC2011) is the fourth in a series of global meetings that bring together scientists, space experts, industry, academics and policy-makers to share research results and consider options for a global response should an Earth-impacting threat be discovered......
