Phil Plait on an interesting feature found on the moon: lunar swirls, which may have been due to the moon's ancient magnetic field interacting with the solar wind.

#Astronomy #Moon #LunarGeology #MagneticFields #SolarWind

https://www.syfy.com/syfywire/gorgeous-lunar-swirls-record-the-moons-ancient-magnetism

Gorgeous lunar swirls record the Moon’s ancient magnetism

Lunar swirls are gorgeous features on the Moon's surface, and now we may finally understand what's causing them: Lava tubes, magnetism, and the solar wind.