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intéressé par #maths #scilab, #astronomie, #trail #running , aussi sur 🐘
xnoꓤ ǝddᴉʅᴉɥꓒ








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Salut les passionnés de #météo et de #nuages vous savez ce qui forme ce genre de nuage ? Pris en Bretagne nord ce matin #meteorologie
8d
Le dépôt de prépublications scientifiques arXiv a annoncé une suspension d'un an pour les scientifiques dont les soumissions contiennent des références générées par une intelligence artificielle. 1/2
RIP Alan Hale, one of the greatest visual comet observers, philantrop and decent human being! You will be missed! 🔭☄️ youtube.com/watch?v=WoAL...
Le Sceptre des Tocards (via Neurchi de Tintin/FB)
3d
Sad to hear that Alan Hale passed a few days ago. Dr Hale was the co-discoverer of the widely observed Comet Hale-Bopp which peaked in 1997. The photo shows Alan Hale (left) and Bill Bradfield (right) -- 20th century's most prolific visual comet discoverer (18 comets). 🔭 #comet
#astronomie #astronomy petite image de l'impressionnante conjonction #Lune #Venus hier soir avec en prime #Jupiter au raz de l'horizon 📷 CANON EOS R7 focale 150mm/70mm F/8 1/4 et 1/6eme de sec à 1600ISO
On attend avec impatience l'analyse de @caporalstrategique.fr 🍿
12d
9d
xnoꓤ ǝddᴉʅᴉɥꓒ
9d
1d
15d
YouTube video by ICQ Comets (and Cousins)
youtube.com
Interview of Alan Hale, discoverer of comet C/1995 O1 (Hale-Bopp)
A researcher at the University of Texas and his student discovered that Russia's "Golden Dome" system is jamming GPS systems over Europe. It wasn't the Space Force that figured this out, it wasn't the NSA (thanks tax dollars)... it was a university professor.
In general relativity, a point mass just sitting there is inevitably a black hole. But that's when you're living in 3d space (and one dimension of time). In 2d space, a point mass creates a less drastic singularity: a 'cone point'. I've been studying these cone points lately, just for fun. (1/n)
13d
9d
Polémix
Astropierre
xnoꓤ ǝddᴉʅᴉɥꓒ
YouTube video by Veritasium
www.youtube.com
Something is jamming GPS over Europe. Here's what we found
xnoꓤ ǝddᴉʅᴉɥꓒ
Kym @ The Evening Sky Map
John C. Baez
Maik Meyer ☄️
altNOAA 🇺🇸
Une erreur, disent-ils… Après le trouble suscité sur les RS, le compte de recrutement de la Marine nationale a dépublié une affiche datant de l’époque de Vichy, censée inciter de jeunes Français à rejoindre ses rangs. On est dans un moment où toutes les digues sont en train de s’effondrer...
15d
Ricardo Parreira