Galaxies- all you need to know about them

While observing the night sky in a low bortle, you may be able to see a fuzzy band of light stretching across the sky. What you are looking at is the plane of our galaxy- The Milky Way. Our galaxy is home to an estimated 400 billion stars, with most younger stars lying in the centre of the plane of the galaxy- in the spiral arms where most of the galaxy's dust and gas, which clump together to create sites of star formation, is concentrated; relatively older stars are generall