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When to Use the Interstellar Travel Timescales 3D Explorer - Best Sessions and Limits

Last reviewed: 2026-07-26

Open the Interstellar Travel Timescales 3D Explorer when you want a human-scale sense of how long different real or published-concept vehicles would take to reach another star - not to look up a specific spacecraft's live position.

A vehicle-comparison timescale, not a live tracker

A session starts by comparing Voyager 1's real speed of about 17 km/s (about 75,000 years to Proxima Centauri) against the published Breakthrough Starshot concept's speed of about 0.2c (about 20 years) and light itself (about 4.25 years) - dragging the time slider on any vehicle moves its marker toward or onto Proxima Centauri.

Sessions this explorer does not fit

Sessions this page does not fit are looking up a real spacecraft's current live position (Voyager 1's own measured distance and heliopause-crossing dates are on the Voyager Interstellar Position 3D Explorer) or exploring Proxima Centauri's own planets and habitable-zone band (that is on the Proxima Centauri System 3D Explorer). Walk through the controls in the step-by-step guide.

← Back to Space 3D

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Last updated: Jul 25, 2026

Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. No account is needed to use any tool. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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