Alternate Definitions for rudimentary

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Term: rudimentary
Definition:

A type of sunspot penumbra characterized by granular (rather than filamentary) structure, brighter intensity than the umbra, and narrow extent, and possibly only partially surrounding the umbra. Penumbrae are typically rudimentary during the sunspot formative and decay phases.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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