Choose the word from the drop-down menu that completes each sentence.

Question

Revolt · Accepted Answer

A/An star system is made of two stars.: binary; A/An star system is made of no more than a few thousand stars.: open cluster; A/An star system is made of more than a million stars.: globular cluster

Star Systems and Galaxies

Choose the word from the drop-down menu that completes each sentence.

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