Which of the following statements refers to medieval Arabs?The recommended time to answer this question is 2.5 minutes.Soru 8YanıtThey calculated the orbits of the Sun, Moon, and planets using complex circle systems.They divided the universe into "sublunar realm" and "superlunar realm".They saw the first hints of the existence of Earth's axial tilt.They perfected an observation instrument called astrolabe.They calculated the dates of the solstices and equinoxes.

All of the statements refer to the contributions of medieval Arabs in the field of astronomy:

1. They calculated the orbits of the Sun, Moon, and planets using complex circle systems: Medieval Arabs made significant advancements in mathematical astronomy, which included calculating the orbits of celestial bodies.

2. They divided the universe into "sublunar realm" and "superlunar realm": This is a reference to the Aristotelian cosmology that was adopted and further developed by medieval Arab astronomers.

3. They saw the first hints of the existence of Earth's axial tilt: Medieval Arab astronomers were among the first to suggest that the Earth's axis is tilted.

4. They perfected an observation instrument called astrolabe: The astrolabe, an instrument used to make astronomical measurements, was indeed perfected by medieval Arab astronomers.

5. They calculated the dates of the solstices and equinoxes: Medieval Arab astronomers were able to calculate these dates accurately, which was crucial for the Islamic calendar and for determining the times of religious observances.