Using WWT in Planetariums

The free, open-source WorldWide Telescope Windows client can power planetariums ranging from single-projector portable domes to world-class facilities with dozens of projectors.


In the simplest setup, WWT can run on a single computer running Windows with one monitor for the control interface. In more complex installations, WWT can drive a cluster of servers to create a multi-channel dome projection. In this mode WWT synchronizes the display video and the data across servers, and manages the status of the WWT server power for each server in the cluster.

For detailed documentation on how to set up WWT in single- and multi-channel scenarios, visit the WWT Planetarium Guide.

The WWT Remote Control utility helps you synchronize and manage WWT installations on a cluster of display servers.

WWT handles warping and blending for the dome and comes with tools and instructions to solve for the needed calibration. Performance has been optimized for real-time display on modern graphics hardware with controls to ensure smooth playback.


WWT comes with batteries included:

The same software that powers your dome also powers the WWT web client β€” opening up exciting possibilities for people to experience your content both in your dome and in the comfort of their own homes. WWT β€œtours” deliver a guided multimedia experience in both contexts.

Use MIDI devices, XBox controllers, and more to allow presenters full control over live presentations.

Manage data caching and synchronize caches between display servers to get the best of both worlds: data streamed from the internet and reliable performance.


And did we mention that WWT is free and open-source? It’s sponsored by NumFOCUS, a nonprofit dedicated to supporting the open-source scientific computing community.

WWT software development is planned and conducted in the open on GitHub.

The mission of NumFOCUS is to promote open practices in research, data, and scientific computing.