The Sun emits all three types of radiation: alpha, beta, and gamma. However, the most prominent type of radiation the Sun emits is gamma radiation, which is produced by nuclear fusion reactions in the Sun's core.

Here's a breakdown:

* Alpha radiation: While alpha particles are produced during nuclear fusion, they are quickly absorbed by the dense plasma in the Sun's core. They don't make it out to space.

* Beta radiation: Beta particles are also produced during fusion, but they are absorbed by the Sun's atmosphere before they can escape.

* Gamma radiation: Gamma rays are incredibly energetic and can penetrate through the Sun's layers. They are emitted into space and reach Earth.

It's important to note: The Sun also emits vast amounts of other forms of radiation, including:

* Visible light: This is the portion of the electromagnetic spectrum that we can see.

* Infrared radiation: We experience this as heat.

* Ultraviolet radiation: This can cause sunburn and skin damage.

* X-rays: These are high-energy photons that can penetrate matter.

The Sun is a powerful source of radiation, and its emissions have a significant impact on Earth's climate and environment.