Each year as the holidays approach, I've been posting the latest installment of the "Astron Workshop". A few years ago I fianlly put it up on the web, so there is no need to post it. You can just go grab it when interested.
There have not been any significant updates to it for the past year or two. But if you are in need of a holiday gift for that special rocketeer (or want to leave a hint for that special someone), you just might want to take a look at
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And of course suggestions, additions, and feedback are always welcome.