Alternative definitions (1), class: vernacular (0)
Term: CoronalHole

An extended region of the corona, exceptionally low in density and associated with unipolar photospheric regions. A coronal hole can be an "open" magnetic field in the corona and (perhaps) inner heliosphere which has a faster than average outflow (wind); A region of lower than "quiet" ion and electron density in the corona; or a region of lower peak electron temperature in the corona than in the "quiet" corona. (spase)

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan