ConceptOrbits and Escape Velocity

Orbits and Escape Velocity: what this star will be

An orbit is falling towards the ground and moving fast enough to keep missing it.

By Constellate · 9 September 2026 · the short form

Orbits and Escape Velocity 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: An orbit is falling towards the ground and moving fast enough to keep missing it.

What stands beside it

The stars nearest to it are Black Holes, Gravity as Geometry, Standard Candles and Entropy. When Orbits and Escape Velocity opens, the conversation will land it among them, with a line drawn to each idea it touches.

On the sky:

Ask for this star

Every star is lit by demand. Ask for Orbits and Escape Velocity 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.

On the map

A filled dot marks a star that is already open to walk.

Orbits and Escape Velocity is not yet open to walk. Ask for it on the sky; the stars beside it are open, and the first concept of every course is free.

Find it on the sky →

The concept page for Orbits and Escape Velocity · Your first concept is free. No signup, no card.