The Milky Way galaxy rotates once every 225 million years.
✓ TRUE FACT
The Sun’s orbital period around the Milky Way is about 225–250 million years—a “galactic year.” That means Earth has completed only ~20 orbits since it formed (~4.5 billion years).
🤯 "The Milky Way galaxy rotates once every 225 million years. A very slow cosmic spin."