Curated OER
Stars and Slopes
Young scholars use the slopes of various curves plotted on log-log graph paper to classify stellar objects as binary stars, supernovae, or active galaxies.The data used in this instructional activity were obtained from X-ray astronomy...
NASA
Nasa: Imagine the Universe: X Ray Binary Stars
Site provides a brief introduction to binary stars. Additional resources for students and teachers on this topic are offered as well as related topics.