It's actually the other way around! The Sun doesn't orbit the Milky Way. Instead, the Sun and the entire solar system orbit the center of the Milky Way galaxy.

Here's the breakdown:

* Gravity is the key: The Milky Way galaxy has a massive central bulge, containing a supermassive black hole. This black hole, along with the combined mass of all the stars, gas, and dust in the galaxy, generates a powerful gravitational pull.

* Orbital motion: This gravity keeps everything within the Milky Way, including our solar system, in constant orbital motion around the galactic center.

* Speed matters: The Sun, along with our solar system, travels at an astonishing speed of about 220 kilometers per second (137 miles per second) around the galactic center.

* Long journey: It takes approximately 250 million years for our solar system to complete one full orbit around the Milky Way. This journey is often referred to as a "galactic year."

So, while it might seem like the Sun is orbiting the Milky Way, it's actually the entire solar system that is in orbit around the galaxy's central gravitational pull.