"Hi Katie,Sorry for the delay. Somehow I missed your comment. I used 7-zip, which is freely and has versions for the Windows, Mac, and Linux. The next post in my blog, which corrected a typo or two, is what I think is a more generic…"
Hi all,I'm slowly developing some astronomy resources to help Pathfinders earn their Astronomy Special Proficiency Badge and to help all scouts appreciate the sky and learn astronomy and sky lore.On my blog you will find a planisphere (a rotating…See More