https://sci.esa.int/web/planck/-/52886-cosmic-microwave-background-seen-by-planck-equirectangular-projection
ESA Science & Technology - Cosmic Microwave Background seen by Planck - equirectangular projection
Cosmic Microwave Background seen by Planck - equirectangular projection
cosmic microwave backgroundequirectangular projectionesasciencetechnology
https://map-projections.app/equirectangular
Equirectangular Projection — Map Projection Explorer
The simplest projection — latitude and longitude mapped to x and y. Simple, honest, but stretches everything near the poles.
equirectangular projectionmap explorer