Meaning of astronomer

1. The astronomer spent countless hours observing the night sky through his telescope.
2. The renowned astronomer was invited to speak at the science conference.
3. The astronomer's research on black holes revolutionized our understanding of the universe.
4. My cousin is studying to become an astronomer and hopes to work at a world-class observatory.
5. The astronomer discovered a new exoplanet orbiting a distant star.
6. The astronomer used advanced technology to map the trajectory of a comet passing by Earth.
7. The astronomer's work shed light on the formation of galaxies billions of years ago.
8. The astronomer's findings were published in a prestigious scientific journal.
9. The astronomer collaborated with colleagues around the world to analyze data from a recent space mission.
10. The astronomer's passion for astronomy was evident in the way he spoke about the mysteries of the universe.