Cosmic Galaxies

The video explores the vast universe, focusing on galaxies, including the Milky Way. It explains the structure of galaxies, their components like stars, dust, and gas, and the process of star formation. The Milky Way is highlighted as a spiral galaxy containing Earth, with a supermassive black hole at its center. The video also discusses dark matter, which constitutes most of a galaxy's mass, and the commonality of red dwarf stars.

Explain the significance of the Milky Way galaxy.

What is dark matter and its role in the galaxy?