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 gravitational waves.

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. 

This theory passed another test in September 2015, with the first detection of gravitational waves. The talk from Francisco Lobo, from Instituto de Astrofísica e Ciências do Espaço (IA) and Faculdade de Ciências da Universidade de Lisboa (FCUL) is dedicated to them.

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

Gravitational Waves – The cosmic symphony that shook the world (in Portuguese)

by Francisco Lobo, from Instituto de Astrofísica e Ciências do Espaço (IA) and Faculdade de Ciências da Universidade e Lisboa (FCUL).

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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