This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Mike Brown
plutokiller.com
did:plc:edsg22mzbiqbw4i43gecd5ol
I was excited a couple of weeks ago to announce that my my very free revamped Science of the Solar System online class was soon to be up and running on Coursera only to realize today that they no longer all very free classes but will instead charge you $49 for the privilege.
2026-07-23T21:45:26.668Z