← Around Polaris

Turn Earth and draw the trails

Let a fixed camera watch the sky as Earth turns. Change elapsed time to grow the arcs; the stars are not circling Polaris in space.

Preparing the experiment

Illustrative modelDrag to orbit · scroll to inspect

Turquoise point: celestial pole · ivory point nearby: Polaris · Earth turns below

3.6 hours · 54° of apparent rotation

An illustrative view towards the celestial pole, not a replay of the session. Star positions and trail durations are synthetic; Polaris is shown slightly off the axis.

Read the scientific background ↗

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