Alternate Definitions for R associations

include archived terms
Term: R associations
Definition:

A stellar association containing a number of reflection nebulae. The stars are of low or intermediate mass and young, less than a million years old. They are still surrounded by patches of dust that reflect and absorb light from the interstellar cloud in which they formed. This type of association was first suggested by Sidney van den Bergh.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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