Missing Matter in Universe Found
Pasadena CA (SPX) Jun 17, 2025
The vast majority of matter in the universe is dark-it is entirely invisible and detected only through its gravitational effects. Ordinary matter-everything from protons to planets to people-makes up only 16 percent. Unlike dark matter, ordinary matter emits light of various wavelengths and thus can be seen. But a large chunk of it is diffuse and spread thinly among halos that surround galaxies
