A(n) ____ is a collection of 100 to 1000 stars in a region about 25 pc in diameter. The stars in the collection are typically quite young.

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Open clusters consist of 100 to 1000 stars that are relatively young and typically found within a region about 25 parsecs in diameter. Herbig-Haro objects are clouds of gas and dust associated with newly formed stars, not collections of stars. Globular clusters are much larger collections of stars, containing hundreds of thousands to millions of stars packed tightly together. Giant clusters are not a recognized astronomical term. Supernova refers to the explosion of a single star, rather than a collection of stars.

A(n) ____ Is a Collection of 100 to 1000 Stars