Astronomy studies sky.

Meaning: This means that astronomy is the scientific study of the sky and the objects and phenomena that can be seen in it.

Choice of Words: Astronomy is the scientific study of celestial objects and phenomena. Studies means to investigate or learn about something. Sky is the region above the surface of the Earth that is occupied by the atmosphere and outer space. When you put them together, "Astronomy studies sky" is a simple sentence that describes the field of astronomy.

Alternative Expressions

Astronomy is the study of the sky.

Meaning: This sentence tells us that astronomy is a field of science that focuses on understanding the sky and everything in it, including stars, planets, and other celestial objects.

Choice of Words: Astronomy is a noun that means the scientific study of celestial objects like stars, planets, galaxies, and more. Study is a verb that means to learn about something by reading, observing, or doing research. Sky is a noun that refers to the space above the Earth, including the atmosphere and everything in it.

People who study the sky are called astronomers.

Meaning: This sentence tells us that astronomers are people who have a special interest in learning about the sky and everything in it, including stars, planets, and other celestial objects.

Choice of Words: People is a noun that refers to human beings. Study is a verb that means to learn about something by reading, observing, or doing research. Sky is a noun that refers to the space above the Earth, including the atmosphere and everything in it. Astronomers is a noun that refers to people who study the sky and celestial objects.

Astronomy helps us learn about the universe.

Meaning: This sentence tells us that astronomy is a field of science that helps us understand the universe, which is everything that exists, including the Earth, the solar system, and all the galaxies and stars beyond.

Choice of Words: Astronomy is a noun that means the scientific study of celestial objects like stars, planets, galaxies, and more. Helps is a verb that means to make something easier or possible. Learn is a verb that means to gain knowledge or understanding. Universe is a noun that refers to everything that exists, including the Earth, the solar system, and all the galaxies and stars beyond.

Related Expressions