Dr.Shades

A Galaxies is a sprawling space system made of dust, gas, and countless stars. There's so many, the number can't be counted. The universe alone may contain 100 billion.

A Galaxy with with less than a billion stars is considered a "Small Galaxy". Here in are galaxy the sun is just one of around 100 billion stars. Galaxies are named into three main types: spiral, elliptical, irregular.

A Spiral Galaxy is such as the Milkey Way, contains of a flat disk with a bulging center and surrounding spiral arms. Elliptical are generally round but stretch longer along one axis. Irregular Galaxies are not spiral or elliptical. They appear misshapen and lack a distinct form.