If you feel at home among the stars and galaxies, this is for you! It’s important to note the difference between space and the universe, as they are often used interchangeably. The universe refers to everything physical in existence, from all celestial objects, matter, energy, galaxies, solar systems, etc. Whereas space refers to the empty void between all these things. In this class, we will use what we know about our solar system to learn about what lies beyond in the great unknown.