Tag Archives: exploded

[ad_1] The use of explosives without notice is bad news for … well, for everyone . Imagine the alarm of the US military when, on August 4, 1972, she witnessed about twenty …

[ad_1] A mesmerizing – and alarming – NASA animation demonstrates how dramatic the increase in Earth-like asteroids entering our solar system has become over the last 20 years. The video, based on …