EVERYDAY SCIENCE

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: -Use of terms “astronomy” and “astrophysics" However, since most modern astronomical research deals with subjects related to physics, modern astronomy could actually be called astrophysics. Some fields, such as astrometry, are purely astronomy rather than also astrophysics.

Detailed explanation-3: -A scientist who studies the objects in the sky, including planets, galaxies, black holes, and stars, is called an astronomer. These days, the terms astronomer and astrophysicist are used interchangeably, to talk about any physicist who specializes in celestial bodies and the forces that affect them.

Detailed explanation-4: -The correct option is A astronomers. Astronomy is a natural science that studies celestial objects and phenomena.

Detailed explanation-5: -ASTROPHYSICS: Applying the laws of physics in space. ASTROMETRY: Mapping celestial bodies. ASTROGEOLOGY: Examining rocks, terrain, and material in space. ASTROBIOLOGY: Searching for life outside Earth. 12-May-2022