Meaning & Definition of word "Astronomer"

Astronomer

/əˈstrɒn.ə.mər/

noun:

  • 1. A scientist who studies celestial bodies, including planets, stars, and galaxies, and the universe as a whole.
    • Example: The astronomer discovered a new exoplanet in a distant solar system.
  • 2. An expert in astronomy, who may work in research, teaching, or observation.
    • Example: The astronomer lectured about the formation of the universe at the local planetarium.
  • 3. A person who enjoys observing celestial phenomena, often as a hobby.
    • Example: As an amateur astronomer, she spent her weekends stargazing and photographing the night sky.
  • 4. Someone involved in the collection and analysis of astronomical data.
    • Example: The astronomer presented her findings on the cosmic microwave background radiation at the conference.

Etymology

From the Greek 'astron' meaning 'star' and 'nomos' meaning 'law'.

Common Phrases and Expressions

amateur astronomer:

A non-professional who enjoys observing celestial objects.

professional astronomer:

An astronomer who is employed in the field to conduct research.

observational astronomy:

A branch of astronomy that deals with the observation of celestial bodies.

Related Words

astrophysics:

The branch of astronomy concerned with the physical nature of celestial bodies.

celestial:

Pertaining to the sky or outer space.

cosmology:

The science of the origin and development of the universe.

Slang Meanings of astronomer

Meaning: Star nerd

Example Sentence: He's such a star nerd; he knows every constellation by heart.

Meaning: Skywatcher

Example Sentence: On clear nights, she turns into a skywatcher, searching for shooting stars.