Herbig-Haro object

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Herbig-Haro object

astronomy

Also known as: HH object

Learn about this topic in these articles:

stellar associations

In star cluster: OB and T associations
…related variables, nonvariable stars, and Herbig-Haro objects—small nebulosities 10,000 astronomical units in diameter, each containing several starlike condensations in configurations similar to the Trapezium, Theta Orionis, in the sword of Orion. These objects are considered to be star groups at the very beginning of life.
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