This 3+ week blended learning unit on the Universe and its Stars is a series of lessons help students understand the vastness of the universe, the contributions of NASA to space exploration, how light-years are used as a measure of distance in space, star types, constellations, the role of gravity in galaxies, solar systems, and planetary systems, the physics of orbiting, habitable zones of stars, exoplanets, the types of galaxies and the Milky Way, the life cycles of stars and black holes, the