Write to us. We read everything.
CosmoToolbox is an independent project. We welcome corrections, bug reports, tool suggestions, copyright notices, and messages from readers who watch the sky as closely as we do.
Corrections
Spotted an error in a calculation or an article? Tell us the page, the specific number or claim you believe is inaccurate, and a source if possible.
[email protected]Bug reports & tool ideas
Say which tool you used, what you expected, and what happened — or describe a calculator you wish existed. We prioritize fixes by impact.
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Put "Copyright" in the subject line. Our Terms of Use describes the full copyright and takedown process.
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