Astronomers across the ages have looked up to the skies and marveled at eclipses. Using different numerical systems, the Aztecs and the Mayans observed eclipses and could predict with precision when ...
"Revised edition of paper presented at the XXVI International American Congress in Seville. October 12, 1935." https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results