What is the meaning of astronomy?

 Study of stars, planets, and other objects in space

The correct answer is Option 1 - Study of stars, planets, and other objects in space

 Option 1: ➔ Correct. Astronomy is the branch of science that deals with the study of celestial objects (like stars, planets, comets, asteroids, and galaxies) and phenomena that happen outside the Earth's atmosphere. Astronomers observe, analyze, and try to understand the origin, structure, evolution, and behavior of these celestial bodies.

Option 2: ➔ Incorrect. The belief that the positions and movements of stars and planets influence human destiny is the domain of astrology, not astronomy. (Astrology is a pseudoscience; astronomy is a real science.)

Option 3: ➔ Incorrect. The study of Earth’s structure, materials (like rocks and minerals) is known as geology, not astronomy.

Option 4: ➔ Incorrect. The study of weather, climate, and the atmosphere is called meteorology, not astronomy.