An image showing a long, straight road or structure vanishing into the horizon, representing a linear scale.

Cosmic Distances

A tool to explore the vast scales of our universe, calculating distances, travel times, and generating easy-to-understand explanations with AI.

The Challenge of Linear Scales
This interactive demonstration reveals why visualizing cosmic distances on a simple line is so difficult. As you expand the scale to include larger objects, watch how smaller ones become too tiny to see.

Current Maximum Scale

Mariana Trench

(11 km)

Football Field
Mount Everest
Mariana Trench
Step 4 / 13