Astronomers Spot Previously Unknown Space ‘Cavity’ That’s Quietly Protecting the Moon - Gizmodo

Astronomers report a previously unknown cavity formed by interactions between Earth's magnetosphere and the near‑lunar environment that helps shield parts of the Moon from solar wind and charged particles. The pigeon magnetoreception study suggests animals can detect Earth’s magnetic field in ways not fully understood, providing a biological perspective that complements physical studies of magnetospheric structure and its reach into near‑lunar space. Mapping magnetic fields on the Sun’s far side adds a new tool for identifying solar magnetic structures and active regions that shape solar wind conditions, helping explain when and how such protective cavities form or change.