# Orbits, missions and exoplanets

> Explore two-body motion, spacecraft data, planet detection and atmospheric interpretation.

Prerequisites: Newtonian gravity, algebra and energy.

Short self-study course; not an accredited qualification or a complete university syllabus.

## Lessons

- [Kepler orbits and gravitational scaling](https://studybrix.com/en/courses/orbits-missions-and-exoplanets/astro-orbits/index.md): university; 8 questions.
- [Space missions, communications and measurement](https://studybrix.com/en/courses/orbits-missions-and-exoplanets/astro-spacecraft/index.md): university; 8 questions.
- [Exoplanet transits and radial velocities](https://studybrix.com/en/courses/orbits-missions-and-exoplanets/astro-exoplanets/index.md): university; 8 questions.
- [Planetary atmospheres and habitability claims](https://studybrix.com/en/courses/orbits-missions-and-exoplanets/astro-atmospheres/index.md): university; 8 questions.