A) Earth
B) Mars
C) Neptune
D) None of these
🧠 Explanation:
Neptune is the last planet in the solar system, orbiting farthest. For astronomy students, this highlights planetary science, making it a key topic for studying astronomy, physics, and space science. Neptune defines orbits. Understanding this clarifies solar structure. It’s essential for analyzing astronomy, physics, and space science. Studying Neptune offers insights into how planets are ordered, crucial for astronomy, physics, and space science.
