Initializing, please wait a moment
Khi nào dùng Stellar Proper Motion 3D Explorer
Use this explorer when you want to show that constellations are temporary, and skip it when you want the yearly parallax wobble or nightly star trails.
- Showing why the Big Dipper will not last forever
- Explaining proper motion and the Ursa Major Moving Group
- Connecting a big proper motion to a nearby star like Barnard
This is an educational visualization with schematic star positions, not to scale.
Walk the controls in the step-by-step guide, or compare options in vs alternatives. Open the Stellar Proper Motion 3D Explorer.