Galaxies are tremendous clusters of billions to trillions of stars, and are where the majority of G stars reside. If you’re fortunate enough to have a dark night sky, you will be able to see a section of our own galaxy, the Milky Way, as a ribbon of stars stretching across the sky. The Milky Way is estimated to be roughly 100,000 light years across, containing some 100 billion stars, and is probably a
