* It's a star, not a planet. The Sun is our star, and the Moon is a natural satellite that orbits the Earth. The Pistol Star is a massive, extremely bright star located in the Milky Way galaxy.

* It's far, far away. The Pistol Star is roughly 25,000 light-years away from Earth, while the Sun is only 8.3 light-minutes away.

* It's much larger and more massive than our Sun. The Pistol Star is about 100 times more massive than our Sun and shines roughly 10 million times brighter.

In summary, the Pistol Star is a distinct celestial object completely different from our Sun and Moon. It's a massive star with a unique composition and location in space.