Astronomy: The scientific study of the universe and celestial objects.
The root "astro" suggests that this is the study of celestial bodies, especially stars.
Astrophysics: The branch of astronomy that deals with the physics of the universe.
The root "astro" indicates that this is a field of study that focuses on the physics of celestial bodies.
Astrology: The study of the influence of stars and planets on human affairs.
The root "astro" suggests that this is a belief system that attributes significance to celestial bodies in relation to human life.
Astronaut: A person trained to travel in space.
The root "astro" indicates that this is someone who travels to celestial bodies or space.
Astronomer: A scientist who studies astronomy.
The root "astro" suggests that this is a scientist who specializes in the study of celestial bodies.
Asterisk: A star-shaped symbol used in writing and printing.
The root "astro" indicates that this symbol has a star-like shape.
Note: Astronomy is a science about the universe, while astrology is a belief about how the universe affects our lives.Â