3I/ATLAS : la comète interstellaire proviendrait d’un système planétaire vieux de 12 milliards d’années

Discover Odoo 👉 https://www.odoo.com/r/EgUR The first app is free for life. Thanks to Odoo for sponsoring this video! Support another year of kurzgesagt with a brand new 12,027 Human Era Calendar: https://shop.kgs.link/calendar27 You get twelve months of human-made artwork for your walls, and we get to keep creating free, high-quality videos for everyone. Sound good? 👉👈 Sources & further reading: https://sites.google.com/view/sources-cisplatin/ Hi! I am Philipp Dettmer, the founder of kurzgesagt, and back in 2018, I was being treated for a stage 3 B testicular cancer. This was a very serious situation, but it is not a sad story! In fact, going through chemotherapy was one of the most interesting experiences of my life. I was treated with Cisplatin, which, in a nutshell, put my body through a controlled medical violence. This toxic chemotherapy agent is a hero and a villain of this story, but it absolutely saved my life. So what exactly is Cisplatin, and what was my body going t

Certains trous noirs peuvent briller davantage que des galaxies entières, avant de perdre progressivement leur éclat. Mais leur lumière ne disparaît pas toujours avec eux. C'est notamment le cas de Hanny's Voorwerp, un immense nuage de gaz découvert près d'une galaxie lointaine. Encore illuminé par le rayonnement d'un quasar aujourd'hui éteint, il conserve la trace de son ancienne activité. The post En 2007, une institutrice a découvert un immense nuage de gaz sur une image de galaxie : Hubble a ensuite étudié sa trouvaille appeared first on Science et vie.