This High School Astronomy eBook was designed as an elective course for high school students in 9th – 12th grades. Trusting in the providence of our God, Apologia’s Exploring Creation with High School Astronomy textbook will assist your student in this elective course as they explore the wonder of God’s creation. Using engaging and thoughtful content and vivid graphics and images, Damian R. Ludwiczak, Chief of the Mechanisms and Tribology Branch at NASA Glenn Research Center, wrote and designed this all-in-one student textbook and workbook for students in 9th-12 grade. No prerequisites are required. Apologia product: https://www.apologia.com/shop/high-school-astronomy-ebook/