During this tour the visitor will be able to know the theory of Erastóstenes Greek philosopher, who stated that the Earth was spherical when realizing that the solar rays formed different angles the same day, which it happens in the Solstice of Summer.
In addition, the voyages made by the First French Geodesic Mission, which was led by the French Louis Godin, the Charles Marie de la Condamine, Pierre Bouguer, and his assistants Jussieu, Morainville, Hugo, Verguin, Godin des Odannais and Seniegues . Because the Spain King Philip V granted the permit, appointed two young sailors, Jorge Juan and Antonio de Ulloa to re-evaluate Spain within the Mission.
They came to equatorial lands in 1736. The valiant work was joined by the Ecuadorian geographer Pedro Vicente Maldonado, providing collaboration and assistance in the areas of his knowledge to the Geodesic Mission, he was subsequently the author of the first map of the Province of Quito.
The measurement of 32 triangles in the hard inter-Andean alley since 1736 and 1740, in conclusion the arc of the meridian was 3 ° 7'11 ".
The contribution of the Condamine Mission to the knowledge of the shape and dimensions of the Earth was remarkable, however, the advances of science determined that in the middle of the 19th century, will rethink the problem of precision that had served as the foundation of Geodesy.
The International Geodesic Association, founded in 1862, had been planning the need to re- measure the arches of Lapland and of Ecuador, it was France that once again committed to commissioning the work to the Geographical Institute of the Navy.
In 1899 an exploration was carried out and it was decided to measure a larger arch than the one of the Mission of the Condamine. This mission took place in the 20th century, from 1902 to 1906 they measured an arc of 5 ° 53'34 ", between Tulcán to the North and the peruvian Port of Paita to the South. It was commanded by Georges Perrier and Paúl Rivet.
On the second floor you can see a photographic exhibition of Cochasqui a memory of our ancestors.
Cochasqui, is considered as a space of astronomical observation, from which you can visualize stars and constellations as well as astronomical phenomena that influence the agricultural calendar, also offers a graphic story of the Quitu-Cara culture; a warrior town, full of knowledge and traditions.