Magnetosphere Forms a Cosmic-Ray ‘Cavity’ That Partially Shields the Moon
Researchers publishing in Science Advances (2026) report evidence that Earth’s magnetosphere creates an extended energetic-particle “cavity” that reduces radiation on the lunar surface by about 20% at certain orbital phases. The result derives from analysis of measurements from China’s Chang’e-4 lander supplemented with trend checks from NASA’s Lunar Reconnaissance Orbiter (LRO). The effect appears when … Read more