The Arrow of Time: what this star will be
Why does time run one way and never back?
By Constellate · 9 September 2026 · the short form
The Arrow of Time is a star on the Constellate sky: placed by meaning, named, and connected to the stars around it. This is the short form of its post: the line it carries, the area we colour Physics, and what stands beside it today.
The line it carries on the sky: Why does time run one way and never back?
What stands beside it
The stars nearest to it are Entropy, Light as a Clock, Quantum Superposition and Relativity. When The Arrow of Time opens, the conversation will land it among them, with a line drawn to each idea it touches.
Ask for this star
Every star is lit by demand. Ask for The Arrow of Time and it moves up the list; when it opens, this post becomes the full essay. The open stars beside it can be walked today, and the first concept of every course is free.