Version 1.0.1 expands ARC’s built-in astronomy glossary with a large set of new, carefully curated concepts.

This update adds coverage across major domains, including cosmology, galaxies, stellar physics, exoplanets, instrumentation, observational methods, astro-statistics, and physical units.

All additions follow the same design principles as previous versions:
- Short, human-written definitions
- Highlighted only on first occurrence
- No autogenerated or inferred content
- All data stored locally

This is a content-only update. There are no changes to permissions, behavior, or data handling.