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So nutzen Sie Stellar Parallax 3D Explorer
Open the explorer and watch a nearby star trace a parallax ellipse as Earth orbits the Sun.
- Open https://freetoolonline.com/space-3d/stellar-parallax.html and wait for the scene.
- Watch Earth (blue) circle the Sun and the nearby star (orange) shift against the background.
- Follow the sight line from Earth through the star to its apparent background position.
- Read the facts panel: the parsec, Bessel 1838, Proxima Centauri, and Gaia.
- Pause the orbit, hide the sight line, or toggle the green ellipse trace.
Next: the when guide or vs alternatives. Open the Stellar Parallax 3D Explorer.
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