4 marzo, 2014
por Felipe Sahagún
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Euronews Knowledge (21/02/2014): About 20,000 asteroids with diameters between a hundred metres and several tens of kilometres are orbiting near Earth. How real is the threat of an asteroid hitting Earth, and is there anything we can do to … Sigue leyendo
28 octubre, 2013
por Felipe Sahagún
Sin comentarios
Oct 28, 2013 United Nations to Adopt Asteroid Defense Plan Earth is not prepared for the threat of hazardous rocks from space, say astronauts who helped formulate the U.N. measures By Clara Moskowitz When a meteor exploded over Chelyabinsk, Russia … Sigue leyendo