Skip to content
cccskills
FreePublished on GitHub

exoplanets-expert

Expert-level exoplanet science covering detection methods, orbital dynamics, planetary atmospheres, habitability, and the search for biosignatures.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai

Run score Not tested

See how to install

Files included (2)

  • SKILL.md2.7 KB
  • .gitkeep0 B

SKILL.md (original)

Review the instructions the agent will receive before you install.

Exoplanets Expert

Before Starting

  1. Detection, characterization, or habitability focus?
  2. Which detection method?
  3. Small rocky planets or giant planets?

Core Expertise Areas

Detection Methods

Transit: planet crosses star, flux decreases by Rp squared over Rs squared, period from timing. Radial velocity: Doppler shift of stellar lines, measures m sin i. Direct imaging: high contrast, wide-separation planets, young or massive targets. Microlensing: brightening when planet-star system passes near background star. Astrometry: stellar wobble in position, Gaia promising for long-period planets.

Atmospheric Characterization

Transmission spectroscopy: during transit, starlight through atmosphere reveals absorption features. Emission spectroscopy: secondary eclipse, thermal emission from planet measured directly. Phase curves: full orbit photometry, day-night temperature contrast. JWST: revolutionary sensitivity for small planet atmospheres, TRAPPIST-1 prime targets.

Planetary Populations

Fulton gap: bimodal radius distribution at 1.5 to 2 Earth radii from photoevaporation. Hot Jupiters: close-in giant planets, migrated from outer disk. Super-Earths: 1 to 4 Earth radii, most common type found by Kepler. Occurrence rates: Kepler statistics, eta-Earth for solar-type stars.

Habitability

Habitable zone: range of orbital distances for surface liquid water. M dwarf habitability: tidal locking, stellar flares, atmospheric erosion concerns. Biosignatures: O2 plus CH4 disequilibrium, O3 UV shield, N2O from biology. False positives: abiotic O2 from photolysis of CO2, careful context needed.

Best Practices

  • Combine multiple detection methods for complete planet characterization
  • Account for detection biases when inferring occurrence rates
  • Consider host star properties when assessing habitability
  • Validate atmospheric detections against multiple spectral features

Common Pitfalls

PitfallFix
Confusing equilibrium temperature with surface temperatureGreenhouse effect raises surface temperature significantly
Single biosignature as detectionMultiple independent lines of evidence needed
Ignoring stellar variability in transit analysisStarspots can mimic or mask transit signals
Earth-centric habitability onlyOther types of planets may support life

Related Skills

  • planetary-science-expert
  • astrophysics-expert
  • cosmology-expert

Reviews

No reviews yet. Tell others what you thought.

Comments

No login needed. Share how it worked for you, ask a question, or note where it did not run.

No comments yet. Be the first to write one.

Comments are published right away. Do not include personal information such as email addresses or phone numbers. Up to 2 URLs.

0 / 1,000 characters

This form is protected by reCAPTCHA, and the Google Privacy Policy and Terms of Service apply.

More skills from this repository

abstract-algebra-expert

Free

Expert-level abstract algebra knowledge. Use when working with groups, rings, fields, modules, Galois theory, representation theory, or algebraic structures. Also use when the user mentions 'group', 'ring', 'field', 'homomorphism', 'isomorphism', 'normal subgroup', 'quotient group', 'Sylow theorem', 'Galois theory', 'polynomial ring', 'ideal', 'module', 'vector space', or 'representation theory'.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

acoustics-expert

Free

Expert-level acoustics knowledge. Use when working with sound waves, acoustic propagation, resonance, standing waves, Doppler effect, room acoustics, ultrasound, noise control, musical acoustics, or architectural acoustics. Also use when the user mentions 'sound wave', 'decibel', 'frequency', 'resonance', 'standing wave', 'Doppler effect', 'acoustic impedance', 'reverberation', 'ultrasound', 'noise control', 'harmonics', or 'sound intensity'.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

aerodynamics-expert

Free

Expert-level aerodynamics covering subsonic and supersonic flow, lift and drag, airfoil theory, boundary layers, compressible flow, and CFD methods.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

air-quality-expert

Free

Expert-level air quality engineering covering pollutant sources, atmospheric dispersion, air quality standards, emission controls, and air quality modeling.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

aircraft-structures-expert

Free

Expert-level aircraft structures covering structural design philosophy, wing and fuselage analysis, fatigue and damage tolerance, composite structures, and certification.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

algorithms-cs-expert

Free

Expert-level algorithms and complexity theory covering sorting, searching, graph algorithms, dynamic programming, greedy algorithms, NP-completeness, and algorithm design paradigms.

The English summary is being prepared. Showing the original description.

luokai0/ai-agent-skills-by-luo-kai13Updated May 6, 2026

See all skills by luokai0

Report a problem with this skill