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Theoretical Oort Cloud and Its Implications for Global Security

Just now November 10, 2026 1 min read 📰 Phys.org
📋 Key Takeaway

The article discusses the existence of a theoretical Oort cloud from which long-period comets, potentially causing extinction-level impacts on Earth, originate. While it does not directly involve Iran, the implications of such cosmic events could affect global security and environmental stability, which are relevant to Iranian interests. Understanding these cosmic threats is crucial for all nations, including Iran, in terms of disaster preparedness.

Long-period, high-inclination comets of the sort that can cause extinction-level impacts here on Earth have long been thought to originate from a theoretical Oort cloud. That is, a roughly spherical cloud of icy cometary objects that number in the trillions at distances that extend up to 1.6 light-years away.

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