mesogranule

mesogranule

[‚mez·ə′gran·yül]
(astronomy)
One of the convective cells in the mesogranulation observed on the sun.
References in periodicals archive ?
Individual granules have limited lifetimes, can be arranged in mesogranules, supergranules, or giant cell [40,118-122], and seem to represent a convective process.
suggest that the solar surface supports protogranules which are intermediate in size between granules and mesogranules [54].