However, it's important to remember that "bigger" can be interpreted in different ways:

* Diameter: Betelgeuse is indeed about 1,000 times larger than the Sun in diameter.

* Volume: Since volume scales with the cube of diameter, Betelgeuse's volume is roughly 1 billion times larger than the Sun's.

* Mass: Betelgeuse is only about 15-20 times more massive than the Sun. This means it's much less dense than our star.

So, while Betelgeuse is much larger in terms of diameter and volume, it's not that much heavier than the Sun.