Asteroid impact risks underappreciated. A visualisation showing where sizeable asteroids have hit the Earth in recent years has been released by the B612 Foundation. The US-based group, which includes a number of former Nasa astronauts, campaigns on the issue of space protection. It hopes the visualisation will press home the idea that impacts are more common than we think. bbc.co.uk/news/science-environment-27039285
Posted on: Wed, 23 Apr 2014 14:01:40 +0000
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