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How to explore Tabby's Star 3D Explorer

Open the explorer and see the real evidence for yourself.

  1. Open https://freetoolonline.com/space-3d/tabbys-star.html and wait for the star to appear.
  2. Press Play and watch the dust cloud sweep across the star, dimming it.
  3. Watch the live blue and red brightness readout in the facts panel as it happens.
  4. Toggle Megastructure on and compare: now both colors dim by the same amount.
  5. Compare the two modes to see which one matches the real evidence.

Next: the when guide or vs alternatives. Open the Tabby's Star 3D Explorer.

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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