Here's why:

* Spiral: It has a distinct spiral shape, with arms winding out from a central bulge.

* Barred: The central bulge isn't perfectly round, but elongated into a bar-like structure.

* Galaxy: It's a massive, gravitationally bound system containing billions of stars, gas, dust, and dark matter.

Other key characteristics of the Milky Way:

* Diameter: Approximately 100,000 light-years across.

* Age: Around 13.6 billion years old.

* Location: We are located about 26,000 light-years from the galactic center.

* Home to the Sun: Our solar system is located on one of the spiral arms, called the Orion Arm.

* Active Galactic Nucleus: It has a supermassive black hole at its center.

These characteristics make the Milky Way a fascinating and unique object in the universe!