1. The wheel is revolving about its axis.

2. The Earth revolves about the axis which joins the North and South Poles.

3. The dispute at the moment revolved about the question of whom to send.

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4. Discussions of future reactor safety should revolve about two critical issues: nuclear waste disposal and nuclear weapons proliferation.

5. Tycho accused Ursus of stealing his idea that the sun revolved about the earth, carrying the planets with it.

6. Fifteen satellites all revolve about the planet's equator.

7. As we know, electrons revolve about the nucleus, or center of an atom.

8. Planets revolve about the sun and rotate on their axis.

9. He pulled a lever and made his mind revolve about him, a monstrous wheel of fortune, a merry-go-round of memory, a revolving sphere of wisdom.

10. The stars of the galaxy must revolve about its center if the galaxy is not to gradually collapse.

11. In ancient Greek myths, stories of gods and heroes revolve about individual, and the "individual center" develops from the "self center" of myth thinking.