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.
Curated OER
Cornell University: Orbital Motion and Kepler's Laws
At this site from Cornell University, Kepler's three laws of planetary motion are stated. There are brief explanations of each. The laws are applied to explain the features of planetary orbits as well as the motion of binary star...
Ministerio de Educación (Spain)
Ministerio De Educacion: Estrellas Binarias Y Variables Modulo v Unidad 2
In this module you will study about Novae and Supernovae and will learn about the evolution of the binary system.
Cornell University
Cornell University: Astronomy: Orbital Motion and Kepler's Laws
At this site from the Astronomy Department of Cornell University, Kepler's three laws of planetary motion are stated. There are brief explanations of each, along with links to additional information on related subjects.