11th March 2016 - Vanessa Smer
Edinburgh University.  Astronomy in Pre-Columbian Civilizations
Vanessa Smer-Barreto was born in Victoria, Mexico in October 1988. She completed her BSc in Physics Engineering in 2010 and an MSc in Physics two years later in Mexican universities. In 2012 she came to the UK to study a PhD in cosmology, she is currently in the last year of the programme. Her main research interests are dark energy and modified gravity theories. She has submitted two publications that are undergoing journal review. Aside from work, she is also a keen classical and contemporary dance participant and enjoys learning about the history of ancient civilizations.

This talk will discuss how the architectural characteristics of Mayan, Inca and Aztec buildings are part of the legacy these cultures left from their astronomical studies. The movements of the Sun, the Moon, Venus, the eclipses and the Milky Way all held an important place in decision making and politics of these societies. Of important consideration are their two calendars, one of them of striking similarity to our current one, the other, mysterious and linked to the cycle of agriculture. The acoustic phenomena in some of the pyramids and the written records related to their cosmogony still standing will also be mentioned.
Vanessa Explained that her area of expertise was in dark energy and the topic she was talking about
tonight was her hobby: she was focusing tonight on Mayan, Incan and Aztec  empires.  She started by
showing the geographical location of each empire, followed by a brief exploration of the way they
understood the universe, followed by a look at some of the archaeological structures with astronomical
purposes.  Mezamoic calendars, and numbers, with examples in architecture and the legacy they left
The Mayans have existed from 2000 years BC and were located in the Yukatan peninsular of South
Eastern  Mexico, Guatamala, Honduras,  Belize where 44 mayan languages are still spoken an where the
numbe zero was first used (invented?), and they were one of the last surviving Latin American
The Incans occupied the largest area including parts of Ecuador, Peru, Bolivia, Chile and Argentina,
surviving  in cities at high altitudes , in harsh enviroments.
The Aztecs lived in Central Mexico, including mexico city, Vera Cruz, Pueblo.  More than 1,000,000
pople still speak the language.  The Aztec civilisation ended in 1571 when they were defeated by the
Spanish Conquistadors.  Also of great importance to modern civilisations is the fact that they
discovered chocolate.
Vanessa talked about the mythology of each civilisation and the buildings that served as temples, the
buildings and atrefacts that demonstrated how they understood the seasons,  equinoxes and soltices and
how they were able to design calendars very accurately.  The cycles of several  planets are depicted on
some observatories and the Milky Way is shown in one of the most inaccessilble jungle areas,
demonstrating the understanding these civilisations had of the heavens.
Vanessa showed us how numbers were written with only three symbols, dots lines
and an eye which represented zero and how they were written.  The Mayans used five
calendars, the two most  inportant being, one consisting of 260 days and probably
used mainly for agricultural purposes which is still used by some remote tribes for this
purpose and the second cosisting of twenty months each of 18 days making 260 days
altogether, then five days were added and given different names to the 18 days of
each month and finally added six hours every year to make a total of 365 days each
year and 366 for every fourth year.
Vanessa’s talk was illustrated with an excellent series of slides, and rounded off an
excellent and varied season of talks.  It is recommended that if you were unable to
attend this final talk of the season you might like to download the file and listen to it in
its’ entirety.
Many thanks to Vanessa for a terrific talk.
Following the talk beverages were served, and members and guests were able to mingle and discuss the talk and ask questions before the meeting closed.
Vanessa and June having an animated conversation
This talk lasts approx. 1 hour. Listen online or download if preferred
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