34,121 views
???? Les Mardis de l'Espace des sciences ???? https://www.espace-sciences.org/confe... How can scientists establish facts about the matter that constitutes astrophysical objects that they cannot manipulate? If in situ measurements are irreplaceable, how can we hope to acquire the slightest scientific knowledge of objects that we will never go to? With Sébastien Le Picard and François Lique, physicists and university professors and Marie Gueguen, philosopher of science at the Rennes Institute of Physics. 00:00 Credits 00:19 Guest introductions 11:12 Conference 01:1:22 Questions from the audience 01:35:40 End credits ???? Comment space rules (to be respected under penalty of being banned by the moderation team): Respect our speakers and the members of our team Mutual respect in the discussion space No ads and spam Reminder: Any comment that violates the physical and/or moral integrity of people will be automatically deleted ???? Credits music composed by https://benjaminlebaron.bandcamp.com/ Photo: © NASA Our networks: Facebook ➡️ / espacedessci. . Instagram ➡️ / espacedessc. . Twitter ➡️ / espace_sciences #astronomy #universe #astrophysics