The Biggest Stars in the Galaxy

The video explores the vastness of the Sun compared to Earth and introduces even larger stars known as supergiants and hypergiants. It highlights stars like VY Canis Majoris, NML Cygni, and UY Scuti, which dwarf the Sun in size. These stars are unstable, constantly changing in size and temperature due to various fusion reactions. The video concludes by emphasizing the insignificance of the Sun compared to these stellar giants and encourages viewers to continue exploring the universe.

Name two stars that are contenders for the biggest known star in the Milky Way.

How do fluctuations in energy affect the size of a hypergiant star?