A free computer vision demo — play it in your browser, no install. Pinch from Saturn until the Solar System becomes a dot — then keep going, to the nearby stars, the Milky Way and the Local Group. A hand-gesture browser atlas: MediaPipe + Three.js, NASA data, EN/中文. Works with mouse or a camera-free tour too.
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Open the live demo Source on GitHubPinch from Saturn until the Solar System becomes a dot, then keep going — past the nebulae inside our galaxy, out through the Local Group and the Virgo Supercluster, to the edge of the observable universe. With your hand, in one browser tab.
Play it here: (also mirrored at
No install, no sign-up, no server. Allow the camera to control it with your hand — or press WATCH THE TOUR and see the whole scale jump without a camera at all. Mouse and touch work everywhere too.
The GIF above is recorded from the built-in camera-free tour, so it is deterministic rather than a hand-tracking capture.
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