NASA Warns: Earth's Solar Shield May Be Weaker Than We Thought

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Solar Storm ThreatEarth's Magnetic Field

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NASA is sounding the alarm about a solar storm threat that could upend decades of scientific assumptions about how well Earth's magnetic field protects us from cosmic radiation. A theory long considered settled - that our planet's natural defenses are rock-solid - is now being questioned by new research and observations. The agency's warning suggests our understanding of Earth's protective mechanisms may have been dangerously overconfident.

NASASolar Storm ThreatEarth's Magnetic Field