From your backyard to the edge of everything — the Solar System, stars, galaxies, and black holes, explained simply. Learn it to hold your own in any how-big-is-space conversation and never again mix up a star, a planet, and a galaxy.
Space is the ultimate **big-picture** subject, and most of it fits into a handful of ideas built around one theme: **scale**. Start at home with the **Solar System** — the Sun and the planets orbiting it. Zoom out and the Sun becomes one ordinary **star** among hundreds of billions bound together…