Here's why:

* Absolute Magnitude: This measures a star's intrinsic brightness, as if it were 32.6 light-years away from Earth.

* Betelgeuse: This is a red supergiant, much larger and more luminous than our Sun. It has an absolute magnitude of approximately -5.85.

* Our Sun: This is a yellow dwarf star with an absolute magnitude of +4.83.

Since Betelgeuse has a lower absolute magnitude (negative value), it means it is significantly brighter than our Sun.

Therefore, Betelgeuse has a higher absolute magnitude than our Sun, indicating its greater intrinsic brightness.