NEO NEWS (25/06/15) ASTEROID DAY, RISK, SURVEYS, NUKES

Astronomy Magazine article on Asteroid Day 30 June   http://www.astronomy.com/news/2015/06/get-set-for-asteroid-day … Local organizers are making final preparations for more than 50 public events worldwide to increase education and awareness about asteroids and how to better detect them. June 30 is the anniversary of the largest asteroid impact of Earth in recent history, the 1908 Siberian Tunguska asteroid impact. The 100X

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