Technology Episode 2. Mars, the first approaches

Episode 2. Mars, the first approaches




The delta of an ancient river can be seen in this undated photo of Jezero crater, captured by ESA’s Mars Express probe. (ESA / DLR / FU-BERLIN)

“It started when I was little, when my mom took me to Starry Night and we looked for Mars in the sky. It has become a passion, an obsession that has followed me, and I hope it will continue. ” Baptiste Chide, doctor in planetology, author of a thesis on Martian acoustics, worked on the Perseverance rover.

He has a built-in microphone, hoping to record the sound of Mars from its surface for the first time, and knows the history of the Martian missions by heart. “You have to fail to understand how things work, there have been a lot of failures in the exploration of Mars. Of roughly 50 missions, half were successful. It is these successes that have enabled our present knowledge of Mars. ”

In partnership with the Space City.

From the 1960s and the first Martian missions, different powers entered into competition. And this race is won by the Americans first, with Mariner 4 flying over Mars and taking photos of the surface of Mars. A desert surface, with craters. A few years later, Mariner 9 will be the first probe to orbit the Red Planet. It is thanks to her that we discover the geological richness of Mars, and in particular the traces left by water …

With Olivier Emond, head of the science, health and environment department at franceinfo, this 7-part podcast takes you on a journey to a planet that has always fascinated people. They often projected their dreams there, their worries also at certain times. Go aboard the missions which, for the last fifty years, have scrutinized, analyzed from afar and very closely this star. Embark on board the very last machines ready to cross its soil. And imagine our trip there. Humanity is ready to set foot on Mars during this century. For this sound journey, a few teammates, engineers, planetologist, astrophysicists, journalist … and a firing point: the Cité de l’Espace in Toulouse. Ready for take off?

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