astrophysics
Celestial objects and cosmic phenomena
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- Repository
- ffsshhttiikk/opencode-agents-skills
- Last source activity
- February 28, 2026 at 22:46
- Detected SKILL.md language
- English
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- 3
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- 2
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SKILL.md
Source instructions · Read-only preview- name
- astrophysics
- description
- Celestial objects and cosmic phenomena
- license
- MIT
- compatibility
- opencode
- metadata
- {"audience":"scientists","category":"physics"}
## What I do
- Analyze stellar structure and evolution
- Model galactic dynamics and dark matter
- Calculate orbital mechanics for spacecraft
- Simulate gravitational lensing
- Predict cosmic microwave background anisotropies
- Study exoplanet detection methods
## When to use me
When analyzing astronomical observations, designing space missions, or modeling cosmic phenomena.
## Key Concepts
- **Stellar Evolution**: Main sequence → red giant → white dwarf/neutron star/black hole
- **HR Diagram**: Luminosity vs temperature relationship for stars
- **Schwarzschild Radius**: r_s = 2GM/c² defines black hole event horizon
- **Virial Theorem**: 2K + U = 0 for gravitationally bound systems
- **Kepler's Laws**: Orbital periods and distances for planetary systems
- **Mass-Luminosity Relation**: L ∝ M^3.5 for main sequence stars
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