Spiral Galaxy

Pronunciation: /ˈspaɪrəl ˈɡæləksi/

Definitions of spiral galaxy

noun a type of galaxy characterized by a central bulge and spiral arms extending from the center

Example Sentences

A1 A spiral galaxy is a type of galaxy that has a spiral shape.

A2 Scientists study spiral galaxies to learn more about the universe.

B1 The Milky Way is a spiral galaxy that contains our solar system.

B2 Astronomers use telescopes to observe spiral galaxies in detail.

C1 The formation of a spiral galaxy involves complex processes of gravity and gas dynamics.

C2 The Hubble Space Telescope has captured stunning images of distant spiral galaxies.

Examples of spiral galaxy in a Sentence

formal A spiral galaxy is a type of galaxy characterized by its spiral arms containing stars, gas, and dust.

informal Did you know that our Milky Way is a spiral galaxy?

slang Check out that dope spiral galaxy picture I found online!

figurative Her thoughts were like a whirlwind in a spiral galaxy, constantly swirling and changing direction.

Grammatical Forms of spiral galaxy

• plural: spiral galaxies
• comparative: more spiral
• superlative: most spiral
• present tense: spiral galaxy
• future tense: will spiral galaxy
• perfect tense: has spiraled galaxy
• continuous tense: is spiraling galaxy
• singular: spiral galaxy
• positive degree: spiral galaxy
• infinitive: to spiral galaxy
• gerund: spiraling galaxy
• participle: spiraled galaxy

Origin and Evolution of spiral galaxy

First Known Use: 1913 year

Language of Origin: Latin

Story behind the word: The term 'spiral galaxy' originated from the Latin word 'spīrālis' meaning 'winding or coiling'

Evolution of the word: The term 'spiral galaxy' was first used in 1913 by the American astronomer Heber D. Curtis to describe a type of galaxy characterized by a flat, rotating disk with spiral arms containing stars, gas, and dust. Since then, the term has been widely adopted in the field of astronomy to classify galaxies based on their shape and structure.