Question

Which component that makes up the bulk of all galaxies?
Responses

stars
stars - no response given

dust
dust - no response given

gas
gas - no response given

dark matter

Answer 1

The component that makes up the bulk of all galaxies is **dark matter**. While stars, dust, and gas are important components of galaxies, dark matter accounts for the majority of the mass in the universe and is critical for the gravitational structure of galaxies.