Roughly 1 million asteroids pose a threat to Earth. A distinguished group of astronauts gathered in NYC today to discuss how international space agencies can work together to defend against these threats to life on Earth.
Global Effort Needed to Defend Earth from Asteroids, Astronauts Tell UN
SPACE.com - 25 Oct 2013 23:58
Roughly 1 million asteroids pose a threat to Earth. A distinguished group of astronauts gathered in NYC today to discuss how international space agencies can work together to defend against these threats to life on Earth.
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