Supergranulation is a particular pattern on the Sun surface. It was discovered in the 1950s by A.B.Hart on Doppler velocity measurements showing horizontal flows on the photosphere (flow speed about 300 to 500 m/s).
supergranulation Large-scale flow pattern on the surface of the Sun, consisting of cells measuring up to 30,000 km across, believed to be the imprint of large convective cells deep in the solar interior.
Supergranulation. A large-scale convection pattern, characteristic size of about 30,000 km (2 1/2 times the diameter of the Earth) with a lifetime of about one day.
Supergranulation - The pattern of very large (15,000 to 30,000 km in diameter) convective cells in the Sun's photosphere
Superior Planet - A planet whose orbit lies outside the Earth's orbit ...
Supergranulation Cells
Convective cells (about 15,000-30,000 km in diameter) in the solar photosphere, distributed fairly uniformly over the solar disk, that last as long as a day.
supergranulation - (n.)
The pattern of large cells seen in the sun's chromosphere, when viewed in the light of the strong emission line of ionized hydrogen.
superior planet - (n.) ...
supergranulation
A system of large-scale velocity cells that does not vary significantly over the quiet solar surface or with phase of the solar cycle.
The thermal columns in the convection zone form an imprint on the surface of the Sun, in the form of the solar granulation and supergranulation.
For example, the larger scale turbulence in the convection zone pushes much of the magnetic field at and just above the photosphere to the edges of the supergranulation cells.
Deep cells, 30,000 km across are responsible for supergranulation. The cells just below the photosphere are only 1,000 km across and are responsible for the granulation seen on the surface of the Sun as in the image below.
Using the same image analysis program to separate the flow components provides a much clearer image of the supergranulation convection pattern. This instrument also has a high-resolution mode with 3X magnification.
A short-lived (about 5 minutes), narrow jet of gas spouting out of the solar chromosphere. Spicules tend to cluster at the edges of supergranulation cells. [H76]
Spin ...
It spans more than 588,000 km (365,000 miles) of the solar surface. In this photograph, the solar poles are distinguished by a relative absence of supergranulation network, and a much darker tone than the central portions of the disk.
Both types of waves can be launched by the turbulence of granulation and supergranulation at the solar photosphere, ...
 See also: Sun, Atmosphere, Granulation, Field, Magnetic Field
  
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