General Excellence:
* The restaurant received stellar reviews from food critics.
* The team's performance was stellar, leading them to a decisive victory.
* She delivered a stellar presentation that left the audience in awe.
Specific to Space:
* Astronomers are studying the stellar activity of distant galaxies.
* The telescope captured images of a stellar nursery, where new stars are forming.
* The spacecraft is orbiting a stellar remnant, a collapsed star.
Figurative Use:
* He had a stellar reputation as a lawyer, known for his integrity and skill.
* The new CEO brought stellar leadership to the company.
* The movie's special effects were stellar, creating a truly immersive experience.