Globular Clusters

question 171

Multiple Choice

Globular clusters

• A) are young formations and always contain many hot O- and B-type stars.
• B) are old formations and always contain only old, red stars.
• C) can be formed in collisions of galaxies and thus can be young if the collision occurred recently.
• D) are continually forming in spiral galaxies, like the Milky Way, and thus they show a great range of ages in any one galaxy.

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