Many cultures have built observatories in stone to track the Sun throughout the year The Sun appears in art, on flags, in songs, in poetry. |
http://nsokp.nso.edu/ |
http://www.sunspot.noao.edu/index.html |
http://www.bbso.njit.edu/ |
http://www.hao.ucar.edu/public/research/mlso/mlso_homepage.html |
http://www.solar.ifa.hawaii.edu/mees.html |
http://ftp.solobskh.ac.at/ |