This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Jeff Kaufman
jefftk.com
did:plc:k35xx6alir7rsmwfzh74abnp
Google has the wrong value of the parsec, but only when you do math on it. Looks like a degrees/radians mistake. https://www.jefftk.com/p/google-cant-math-parsecs
2026-06-21T01:33:11.365Z