Carl Sagan: Lo que la Sonda Mariner Descubrió en Marte | Conferencias Navideñas (4/6)

Carl Sagan explores the exploration of Mars using unmanned space probes, focusing on the discoveries of the Mariner 9 mission. The probe revealed the largest volcanoes in the solar system, evidence of ancient rivers, and a massive planetary climate change, completely transforming our understanding of Mars. This video is a Spanish-dubbed version of the fourth lecture given by Carl Sagan at the Royal Institution on December 3, 1977, as part of his famous Christmas Lectures. The lecture has been adapted to make it accessible to a Spanish-speaking audience. ==== Support the channel on Patreon:   / universable   FOLLOW or SUBSCRIBE to Universable Twitter:   / universabletv   Instagram:   / universable.tv   TikTok:   / universable.tv   About Carl Sagan: Carl Sagan was an influential American astronomer, astrophysicist, and science communicator, renowned for his ability to make the universe accessible to the public. He was a professor at Cornell University and played a key role in NASA space missions. He participated in the Voyager program, as part of the team that designed the famous Golden Record sent into space as a message from humanity. He is widely known for the Cosmos series and for books such as The Demon-Haunted World, which have inspired generations to become interested in science and our place in the universe. #CarlSagan #Universable Video Episodes 00:00 - How probes work 06:35 - The first images of Mars 19:19 - Volcanoes of Mars 27:59 - Was there water on Mars? 36:23 - Why Mars lost its water 42:51 - Could life have existed on Mars? 46:53 - Mysteries that remain unsolved 58:46 - Finale