You're looking for the lyrics to "The Solar System Song" by StefanPwinC (also known as StefanPWinc). I was able to find the lyrics for you. Here they are:
Another thought: Adding a mnemonic for remembering the order of the planets. Maybe the song can incorporate that. Also, mention the asteroid belt, dwarf planets, and other celestial bodies beyond the eight planets if space allows. the solar system song lyrics stefanpwinc
Stefanpwinc’s version sits between preschool rhymes and college lectures—ideal for upper elementary through high school. You're looking for the lyrics to "The Solar
“I used to forget which planet was which. After hearing the chorus, I can rap the whole list in the bathroom!” – Aiden, 7th‑grade, Ohio Jupiter : Largest planet (318 Earths), home to
My name is Mars, the fourth one in lineI’m the red planet, and I’m doing fine.I have giant volcanoes and canyons deepI’m a dusty place where the robots creep!
Comets and meteors, and black holes too There's still so much to learn, about the universe anew Astronauts are exploring, the cosmos so grand The solar system's a mystery, that's yet to be planned