Galaxies

Galaxies

A galaxy is a massive system of stars, gas, dust, and dark matter held together by gravity. The universe has billions of galaxies, each containing millions or even trillions of stars. Galaxies come in different shapes and sizes, including spiral, elliptical, and irregular forms. Our own galaxy, the Milky Way, is a...

The solar system is enormous compared to Earth, but star clusters are even bigger, and galaxies are even larger.

A galaxy is a massive group of stars, star systems, dust, and gas, all held together by gravity.

Galaxies are of three main types- spiral, elliptical, and irregular.

Like our Milky Way, spiral galaxies have a cent...