http://www.eastmojo.com/space/2022/07/04/how-to-plan-earths-defence-against-cosmic-objects/
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7/4/22 at 3:50am
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EastMojo
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360info.org
A large asteroid or comet on track for Earth would be a global threat. It would require national and international efforts to stop it. When a 2-metre-wide
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