What happens to the fluid at the bottom of the asthenosphere?

The asthenosphere is the layer of the earth that lies below the lithosphere. it is a layer of solid rock that has so much pressure and heat the rocks can flow like a liquid.

Mesosphere, beneath the asthenosphere, the strong lower part of the mantle is the "middle sphere". extends to the core. outer core, the liquid layer of the core.

Atransverse wave (lowest wave) and a the transverse  wave's wavelength .