In the celebrations of the total solar eclipse of 1919, take part in astronomical observations, guided visits to a historical observatory, and a public talk dedicated to the dark side of the Universe.

The 29th of May marked the centenary of the observations of the total solar eclipse of 1919, in Sobral (Brazil) and Príncipe (São Tomé e Príncipe), which resulted in the confirmation of one of Einstein’s General Relativity Theory predictions. 

The discovery of unexpected components of the Universe – dark matter and dark energy – makes us reconsider Einstein’s gravitation theory, which, in all other aspects, has been summing up sucess after success. The dark side of the Universe is the theme of the talk of Tiago Barreiro from Instituto de Astrofísica e Ciências do Espaço (IA) and Universidade Lusófona.

All activities are free, but the talk is limited to the number of places available. The guided visits to the observatory require prior registration upon arrival.

Organized by IA, this event is part of the exhibition E3 – Einstein, Eddington and the Eclipse, framed within the project Eddington @ Sundy: 100 years after.

Program:

21h30

The Dark Side of the Eclipse (in Portuguese)

by Tiago Barreiro, from Instituto de Astrofísica e Ciências do Espaço (IA) and Universidade Lusófona.

23h00

1st Guided visit to the Observatory

23h30

2nd Guided visit to the Observatory

24h00

3rd Guided visit to the Observatory

21h30 – 00h30

Astronomical observations

Throughout 2019, the International Astronomical Union (IAU) celebrates its 100 years of existence. IA joins the celebrations with multiple events.

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