What is astronomy?

Astronomy is the scientific study of celestial objects, space, and the physical universe as a whole, focusing on their origins, evolution, and physical and chemical properties.

What's the difference between astronomy and astrology?

Astronomy is a scientific discipline studying the universe, while astrology is a belief system claiming to interpret celestial positions' influence on human affairs, lacking scientific validation.

What are the main types of celestial objects studied in astronomy?

Astronomers study stars, planets, moons, asteroids, comets, galaxies, nebulae, black holes, and other cosmic phenomena.

How do astronomers observe distant objects?

Astronomers use various telescopes (optical, radio, X-ray, infrared) both on Earth and in space, along with advanced detectors and spectrographs, to collect and analyze light and other radiation.

What is a light-year?

A light-year is a unit of distance used in astronomy, representing the distance light travels in one Earth year, approximately 9.46 trillion kilometers (5.88 trillion miles).