What layer is the convection layer?

What layer is the convection layer?

The convection zone is the outer-most layer of the interior. It extends from a depth of 200,000 km up to the visible surface of the Sun. Energy is transported by convection in this region. The surface of the convection zone is where light (photons) is created.

Where does convection occur in a star?

Main sequence stars The high temperature gradient in the core region forms a convection zone that slowly mixes the hydrogen fuel with the helium product. The core convection zone of these stars is overlaid by a radiation zone that is in thermal equilibrium and undergoes little or no mixing.

Where does convection take place in the sun?

The sun’s core is hotter than its outer layers. Hot plasma rises from the core towards the surface, where it cools and sinks back towards the core. This process forms convection cells that we see as solar granules.

Is the sun’s core convection?

The source of the Sun’s energy is the nuclear reactions that occur in its core. This type of energy transport is convection. Convection motions within the solar interior generate magnetic fields that emerge at the surface as sunspots, and loops of hot gas called prominences.

Why is convection in stars important?

The bubbles rise to cooler layers in the stars atmosphere and dump out their energy, vastly speeding up the energy flow, and msintaining the stars stability.

Is convection heat transferred?

Convection. Convective heat transfer is the transfer of heat between two bodies by currents of moving gas or fluid. Convection is a very efficient way of heat transfer because it maintains a steep temperature gradient between the body and surrounding air or water.

Which layer of the Earth is the place where convection occurs?

Convection occurs in the mantle of the Earth. Convection currents are the movement of fluid as a result of differential heating or convection. In the case of the Earth, convection currents refer to the motion of molten rock in the mantle as radioactive decay heats up magma, causing it to rise and driving the global scale flow of magma.

Which earth layer contains convection currents?

Convection currents occur in the mantle of the Earth, which can be found underneath the crust and above the outer core. The convection currents carry tectonic plates across the Earth’s surface.

What layer of Earth can you find convection currents?

There are two layers to the mantle, the lithosphere and the asthenosphere. Within the mantle you will find convection currents which affect the earth in many ways. Convection Currents: Convection currents occur in the lithosphere and the asthenosphere.

What are 5 facts about convection currents?

Vertical circulation within a fluid that results from density differences caused by temperature variations. In meteorology, the process in which air, having been warmed close to the ground, rises. Within the Earth, the radiogenic heat release results in convective motions causing tectonic plate movements.