He is the One Who has created the night and the day and the sun and the moon: all (the celestial bodies) move swiftly in an orbit of their own.
Meaning:-
Celestial: By definition a celestial body is any natural body outside of the Earth’s atmosphere. Easy examples are the Moon, Sun, and the other planets of our solar system.

Earth rotates: French physicist February 3, 1851 demonstrates that Earth rotates.
The change between day and night is caused by the rotation of the Earth on its axis
orbit: In 1515 the scientist proposed that the Earth was a planet like Venus or Saturn, and that all planets circled the Sun.