The Milky Way Galaxy Structure and Composition The galaxy we live in, called the Milky Way Galaxy, is a barred spiral galaxy composed of at least 200 billion stars. It is approximately 160,000 light years across and about 2000 light years thick. It has a central bulge that is about 6500 light years in diameter.
High mass star Discipline: Education Tags: supernovasupergiantneutron starblack holeCNO cycleiron core
