When dark matter is captured inside a planet or star, much of it sinks to the middle – but if it sometimes bounces off regular matter, there may be huge amounts of it lurking just beneath the surface
27 September 2022
Dark matter can be trapped inside massive objects, and much of it may be closer to the surface of stars and planets than we realised. On Earth, there may be more than 10 trillion dark matter particles in each cubic centimetre of the planet’s crust.
Dark matter is a hypothetical form of matter that isn’t visible because it doesn’t seem to interact with light at all. However, it does interact with regular, or baryonic, matter …