#arstechnica — Public Fediverse posts

L’impact de Chicxulub
🔸 Il y a environ 66 millions d'années, un impact d'astéroïde a anéanti les trois quarts de toutes les espèces végétales et animales sur Terre, détruisant notamment les dinosaures.
https://arstechnica.com/science/2026/07/dust-cloud-from-dino-killing-asteroid-charbroiled-the-earth/
#science #paléontologie #astéroïde #impact #vue #arstechnica #Chicxulub #Mexique #pollution #poussière #extinction #Terre #géologie #dinosaures #animaux #végétation #ère

#ArsTechnica:
"
Reaction wheel failures leave Swift rescue mission spinning in orbit
"
"“Preliminary investigation shows that two of Link’s three reaction wheels currently are not operable, and there is some loss of functionality in its cold gas thruster system,” NASA said."

".. spacecraft is still generating sufficient electrical power in communication with ground teams .."

https://arstechnica.com/space/2026/07/reaction-wheel-failures-leave-swift-rescue-mission-spinning-in-orbit/

28.7.2026

#KatalystSpace #LINK #NASA #Raumfahrt #SpaceFlight #Swift #Weltraumteleskop