Astronomy Constellations

It is a research paper for my humanities class, chose the topic to be Astronomy Constellations. You can  write about anything that is about that topic it does not matter if it is over how it first came to be or even how it has evolved into today. It can be anything as long as it stay with in that topic and has a clear thesis. It has to include four reliable sources and they must be sited correctly into quotes in the paper as well as on the work cited page. Include quotes!