Which component that makes up the bulk of all galaxies?(1 point) Responses dark matter dark matter gas gas dust dust stars

stars

Stars

The component that makes up the bulk of all galaxies is stars.

Stars are massive celestial bodies that emit light and heat due to nuclear reactions happening in their core. Galaxies are vast systems of stars, along with other components such as gas, dust, and dark matter. The stars in a galaxy are responsible for its brightness and provide the gravitational pull that keeps the galaxy intact.

To determine the component that makes up the bulk of all galaxies, we can start by understanding the different components found in galaxies, including gas, dust, dark matter, and stars. While all of these components contribute to the overall mass and structure of a galaxy, the stars typically make up the largest portion.

One way to verify this is by looking at observational data. Astronomers use various methods, such as studying the light emitted by galaxies, analyzing their rotation curves, and measuring the motion of stars within them. By examining these observations and studying the composition of galaxies, scientists have determined that stars make up the majority of the mass present in galaxies.

Therefore, based on observational evidence and scientific studies, we can conclude that stars are the component that makes up the bulk of all galaxies.