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21 posts20 participants3 posts today

Though this system has hoodwinked astronomers with planetary signals before, researchers say they're confident they have detected three new #planets and confirmed another around Barnard's #Star.

After peering at Barnard's Star over 112 nights, scientists found compelling evidence of four particularly small #exoplanets, each just some 20 to 30 percent the size of Earth.

The planets are considerably smaller than Mars, which is about half Earth's size.

#astronomy
mashable.com/article/planets-d

Mashable · Scientists hunted for planets around our cosmic neighbor. They found 4.By Mark Kaufman

🔥 March Poll - NSFW Fanart 🔞

✧ Vote on the Public Poll for your favorite character [ t.me/th3geonsfw/500 ]
✧ You can also vote on the KoFi Poll [ ko-fi.com/polls/March--Fan-Art ]
✧ On the Public Poll the votes counts x1. On the KoFi Poll the votes are x5
✧ The winner will have a NSFW drawing in the month!
✧ 3 days to vote
✧ In case of no votes or a tie, I will be the one deciding the final character

1.- Lola Bunny (Looney Tunes)
2.- Krystal (Star Fox)
3.- Juno (Beastars)
4.- Rouge The Bat (Sonic)

Interstellar material has been discovered in our Solar System, yet its origins and details of transport are unknown.

But how much of that #interstellar matter originates in the nearest #star system, the α Centauri triple system?

If α Centauri ejects material similaely to own Solar System, the current number of α Centauri particles larger than 100 m in diameter within the Oort Cloud is a million.

But only one of them can be expected within 10 AU.

#astronomy #panspermia
arxiv.org/abs/2502.03224

arXiv.orgA Case Study of Interstellar Material Delivery: α CentauriInterstellar material has been discovered in our Solar System, yet its origins and details of its transport are unknown. Here we present $α$ Centauri as a case study of the delivery of interstellar material to our Solar System. $α$ Centauri is a mature triple star system that likely harbours planets and is moving towards us with the point of closest approach approximately 28,000 years in the future. Assuming a current ejection model for the system, we find that such material can reach our Solar System and may currently be present here. The material that does reach us is mostly a product of low ($<2$ km/s) ejection velocities, and the rate at which it enters our Solar System is expected to peak around the time of $α$ Centauri 's closest approach. If $α$ Centauri ejects material at a rate comparable to our own Solar System, we estimate the current number of $α$ Centauri particles larger than 100 m in diameter within our Oort Cloud to be $10^{6}$, and during $α$ Centauri 's closest approach, this will increase by an order of magnitude. However, the observable fraction of such objects remains low as there is only a probability of $10^{-6}$ that one of them is within 10 au of the Sun. A small number ($\sim 10$) meteors greater than 100 micrometers from $α$ Centauri may currently be entering Earth's atmosphere every year: this number is very sensitive to the assumed ejected mass distribution, but the flux is expected to increase as $α$ Centauri approaches.
Replied in thread

@alda OFC Franchise models and their subsequent infrastructure are as complex as brands in general.

  • I.e. a lot of brands are only used in the #USA (or #Europe) due to "#brand value" (i.e. noone here knows #Texaco / #Chevron unless they saw it in #US media or in person elsewhere!)

For example, #bp canceled their own brand in favour of using #ARAL for gas stations in #Germany, and #ORLEN also operates a 2nd brand, #star.

  • To add more confusion, both ARAL/bp and Shell in Germany get their gasoline and Diesel from the exact same refinery, and merely have minor changes in mixture done for them.
de.wikipedia.orgRheinland Raffinerie – Wikipedia

Défilé de stars à l’Assemblee lundi 10 mars: Pierre Niney, Jean Dujardin, Jean-Paul Rouve, Pio Marmaï et Gilles Lelouche vont témoigner devant la commission d’enquête sur les violences dans le cinéma. Sauf que l’audition ne sera pas diffusée, car les acteurs ont exigé (et obtenu) le huis clos. Quel courage! « Ils ont beaucoup à perdre », tacle un membre de la commission. Les actrices, elles, ont en majorité témoigné en public.

#Maiaspace sur les traces de #spaceX 🚀 🇪🇺

La startup Française 🇫🇷 et filiale à 100% d'ArianeGroup est sur les bons rails. Mais le plus dur reste à venir. L'entreprise souhaite mettre en place un lanceur réutilisable et adaptable pour mettre en orbite des satellites entre 500 et 1500kg.

Un grand pas pour la souveraineté européenne 🇪🇺 Premier lancement commercial prévu pour 2026 depuis la base de Kourou en Guyane 🛰️

maia-space.com/