The Sun's energy transfer is primarily through convection in its outer layers and radiation in its inner layers.

Here's a breakdown:

* Convection: This occurs in the Sun's outer layer, the convection zone. Hotter, less dense plasma rises, while cooler, denser plasma sinks. This creates a continuous cycle of heat transfer, like boiling water in a pot.

* Radiation: In the Sun's core and radiative zone, energy is transferred through photons (light particles). These photons constantly collide with particles, absorbing and re-emitting energy. This process is very slow, but it's the primary way energy travels through the dense inner layers of the Sun.

Conduction is less significant in the Sun's energy transfer. Conduction is the transfer of heat through direct contact between molecules. While it does occur to some extent, the immense distances and density of the Sun's layers make conduction a less dominant factor compared to convection and radiation.