Where does the term satellites come from? Why do we also apply it to the moons of the planets? Come and learn more about the ancient origins of the term.

Mars: Deimos and Phobos Ares with Deimos and Phobos The Red planet is orbited by two moons: Phobos orbits three times a day,...

The idea for this new series for BloggusClassicus came as I was exploring the planets and dwarf planets with my space mad four-year-old....