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NEW YORK — Members of the United Nations met with distinguished astronauts and cosmonauts this week in New York to begin implementing the first-ever international contingency plan for defending Earth against catastrophic asteroid strikes.
Six of the space travelers involved in these U.N. discussions discussed the asteroid defense effort Friday (Oct. 25) in a news conference hosted by astrophysicist Neil deGrasse Tyson at the American Museum of Natural
History. Their goal: to drive home the very-real threats posed by near-Earth objects (NEOs), or asteroids traveling within the radius of Earth’s orbit with the sun. You can see a video of the asteroid defense discussion here.
Scientists estimate that there are roughly 1 million near-Earth asteroids that could potentially pose a threat to the planet, but only a small fraction of these have actually been detected by telescopes. There are about 100 times more asteroids lurking in space than have ever been located, said Edward Lu, a former NASA astronaut and co-founder of the non-profit B612 Foundation advocating asteroid defense strategies. “Our challenge is to find these asteroids first, before they find us,” Lu said. [Photos: Potentially Dangerous Asteroids Up Close]