On this page are some cartoony illustrations I have made for explaining the transit method, transmission spectroscopy and the process of atmospheric retrieval. Please feel to use these if you wish to (Kindly cite the webpage and me if you do so) CC-BY:
Exoplanet Sketches by Agnibha Banerjee is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at https://riobanerjee.github.io

A transit lightcurve.

A transit lightcurve split into different wavelengths.

Transmission and Emission Geometry with parts of planet probed highlighted.

A transmission spectrum with some rough features marked.

Effect of gas abundances on a transmission spectrum (trace gases)

Effect of temperature on a transmission spectrum

Effect of atmospheric mean molecular weight on a transmission spectrum

An illustration of the transmission spectroscopy geometry with JWST (Made using Canva).

Only data

First Model

Second Model

Third Model - Fits

Corner Plot