Journeys on the heavenly waves
Man has always strived to see further. After the explorers of the XVIth century, the cosmologists of the XXIst century navigate on the "celestial waves" enriching, in the course of their missions, a vertiginous cartography. These strange travelers, at the forefront of technology, have ever more powerful and spectacular terrestrial or space telescopes for vessels, always pushing the limits of our knowledge further.