In pictures: How to protect Earth from asteroid destruction

NASA and others are looking to protect the world from asteroid strikes

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At their 2013 meeting, United Nations Committee on the Peaceful Uses of Outer Space endorsed expanded efforts for an International Asteroid Warning Network. IAWN is a global network of telescopes and tracking stations from different parts of the world searching all parts of the sky to provide a more comprehensive picture of how many asteroids exist and where they are. The IAWN provides a way for additional nations to join the effort.

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In pictures: How to protect Earth from asteroid destruction

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