This comprehensive timeline displays the history of astronomy in a creative and engaging way. There are 180 detailed illustrations with text explanations. Illustrations also include Museum documentations. This timeline details how astronomy has evolved over time as well as its key influential founders throughout time. The timeline is dated from 5,000 BCE to modern day. The timeline also displays the scientific evolution of the universe as well as the detailed illustrations of the constellations. This timeline was created with beautiful detail and would be great in any 9-12 classroom.