A winding path or road leading towards a starry sky, representing a journey.

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 Journey of Scale

Take a step-by-step journey through the immense scales of time and distance to build an intuitive understanding of the cosmos.

Journey of Distance
Travel from the size of a human to the edge of the observable universe, one step at a time.

Human Height

0.001700 km

Average human height.

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Journey of Time
Travel from the blink of an eye to the age of the entire universe.

Blink of an eye

100 milliseconds

The time it takes to blink your eye.

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