noun
- the scientific study of celestial objects and phenomena in the universe
Examples
- She decided to major in astronomy after visiting the planetarium.
- Ancient civilizations used astronomy to create calendars and navigate.
- The telescope revolutionized the field of astronomy.
- Radio astronomy has revealed many secrets about distant galaxies.
- Students in the astronomy class learned about black holes and supernovas.
- Modern astronomy relies heavily on computer modeling and satellite data.