A. January
B. March
C. September
D. July
🧠 Explanation:
The Earth is closest to the Sun in January, during perihelion, about 147 million kilometers away. This astronomical event is a key topic in earth science, engaging students and astronomers. Understanding orbital variations clarifies seasonal changes, relevant for studying climate and space. This phenomenon attracts those exploring Earth’s relationship with the Sun and its impact on weather, agriculture, and scientific research in planetary motion.
