Attributions

Attributions & credits

Starbital builds on the work of open-source authors and public astronomy data providers. This page lists the sources that require or deserve visible credit.

Astronomy calculations

astronomy-engine (Don Cross) — position, rise/set, and phase calculations. https://github.com/cosinekitty/astronomy

Datasets

Messier catalog: object list adapted from the Messier catalog (public domain).
Meteor-shower metadata: IMO Working List of Visual Meteor Showers, with year-specific peak windows following the IMO Meteor Shower Calendar.

Runtime libraries

Next.js (MIT) — application framework.
React (MIT) — UI library.
Zustand (MIT) — client state.
Zod (MIT) — schema validation.
@tanstack/react-query (MIT) — data-fetching state.
@vercel/blob (Apache-2.0) — feedback storage client.
lucide-react (ISC) — icons.
Tailwind CSS (MIT) — styling.
date-fns (MIT) — date helpers where used.

Reference imagery

Knowledge cards include short reference images sourced from NASA, ESA, Hubble Heritage, and other public science releases. Credit lines appear on each image.

Notes

If you believe an attribution is missing or misstated, please let us know through the feedback form.