Great for a close read to satisfy your principals Reading in the Content request. Your reading coach will be impressed when they see this Lexiled (980L, 900+ words) article written to meet the grade band text complexity requirements for Common Core. If you are really sneaky, your ELA team may use this in the language arts block and support science. How's that for integration. To make this article even better, it comes with Common Core style questions.
SC.8.E.5.5 Describe and classify specific physical properties of stars: apparent magnitude (brightness), temperature (color), size, and luminosity (absolute brightness).