Planemos, or planetary-mass objects, are free-floating bodies in space that do not orbit a parent star, according to data from the NASA and the European Southern Observatory. These objects, which include rogue planets and low-mass brown dwarfs, wander interstellar space independently, challenging traditional definitions of what constitutes a planet versus a star. The term “planemo” … Read more
Twenty-five years ago, the landscape of modern astronomy shifted permanently when researchers confirmed the existence of 51 Pegasi b, the first exoplanet discovered orbiting a sun-like star. This detection, made by Michel Mayor and Didier Queloz, fundamentally challenged existing planetary formation models and ignited the ongoing global search for habitable worlds beyond our solar system. … Read more
2026-01-30 17:00:00 L 98-59. C’est le drôle de nom que les astronomes ont donné à une étoile de la constellation australe du Poisson volant. Une naine rouge située à seulement 35 années-lumière de la Terre. Une naine rouge pas tout à fait comme les autres, parce que les chercheurs lui ont déjà découvert quatre planètes rocheuses. Et … Read more