celestial equator (noun)

1. The protagonist in the movie was an astronomer who spent his life studying the celestial equator.

2. In the cartoon, the characters went on a thrilling adventure to find the enchanted celestial equator.

3. Why did the astronomer throw a party on the celestial equator? Because it was an equinoctial celebration!

4. Under the starry night sky, the couple shared a magical moment on the celestial equator, feeling the universe's love.