---
id: atmosphere
title: atmosphere
tags: physics
links: 
created_at: 2026-05-04T04:23:20.729773+00:00
updated_at: 2026-05-04T04:23:20.729789+00:00
source: 
---

Atmosphere thickness changes colour. Light scatters differently at sunrise vs midday. Rayleigh scattering: blue light scatters in all directions in air molecules.