A. Sun
B. Regel
C. Betelgeuse
D. None of these
🧠 Explanation:
The Sun is the nearest star to Earth, about 93 million miles away, providing light and heat. This astronomical fact is a key topic in space science, engaging students and astronomers. Understanding the Sun’s role clarifies its impact on climate and life, relevant for environmental and planetary studies. Its proximity attracts those exploring solar energy and space exploration, highlighting the Sun’s central role in sustaining Earth and driving scientific research in astrophysics and renewable energy.
