The AAS WorldWide Telescope project (WWT) is a .NET Foundation project sponsored and managed by the American Astronomical Society (AAS). Work on WWT has been supported by the AAS, the US National Science Foundation (grants 1550701, 1642446, and 2004840), the Gordon and Betty Moore Foundation, and Microsoft.

Academic Citations

If you use WWT in scholarly work, the canoncial project reference to cite is Rosenfield et al. 2018. The canonical reference for the TOAST projection underlying WWT’s all-sky spherical visualizations is McGlynn et al. 2019. You are also encouraged to cite and/or acknowledge the data sets underlying any WWT-based visualizations involved in your work.

Data Credits

Credits for the scientific data sets that appear in WWT are stored in the metadata describing each dataset and surfaced in the client software. The major data sets featured in the core WWT experience are available thanks to the generosity of the following individuals and organizations:

In additional to the individuals and organizations named above, the WWT project gratefully acknowledges further support and data access provided by these organizations:

And these individuals:

Advisory Board

The open-sourcing of the WWT project and transition in management from Microsoft Research to the AAS was overseen by the WWT Advisory Board. The project gratefully acknowledges the dedicated efforts of:


The WorldWide Telescope project is dedicated to the vision and efforts of Jim Gray, who inspired us to bring the stars within the reach of everyone. Jim’s research website is preserved here.