If it ends in .ZIP, click on it and when prompted whether to open the file or save it to your disk, choose the save option. After you go offline, use an unzipping program to extract the contents. These will include at least one .TXT file and one or more .PDF tiles. View and print PDF files with Adobe Acrobat Reader.
Author concludes that it was most likely a comet with a parabolic trajectory.
Not really creation-related, but fascinating, especially around Christmas time. Individual lessons must be downloaded separately - sunsch01.zip, sunsch02.zip, etc. Contains teacher's notes and overhead masters. Contains teacher's notes and overhead masters. Contains teacher's notes and overhead masters.