GENERAL KNOWLEDGE

Detailed explanation-1: -Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun, the Moon, the planets, and the stars . It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles.

Detailed explanation-2: -Astronomers study planets, stars, and other celestial bodies. They use ground-based equipment, such as optical telescopes, and space-based equipment, such as the Hubble Space Telescope.

Detailed explanation-3: -With spectroscopy, astronomers could study the chemical composition of celestial objects, first of those nearby, such as the moon and the sun, and later the more distant ones, including other stars and even galaxies.

Detailed explanation-4: -Space scientists can be: astrophysicists. meteorologists. astronomers. planetary scientists.