Galaxy
Meaning
A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
Pronunciation
UK ˈɡæləksi
US ˈɡæləksi
Example Sentences
- Milky Way bars [aren't] named after the galaxy.
- Our planetary system is located in an outer spiral arm of the Milky Way galaxy.
- The Milky Way is a spiral galaxy.
- Our solar system orbits the center of the Milky Way Galaxy at about 515,000 [mph] (828,000 [kph]).
- [We're] in one of the galaxy's four spiral arms.
- Scientists believe that billions of planets exist in our galaxy alone.
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