What Are Planemos? Discovering Planetary-Mass Objects in Astronomy

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

Milky Way and Andromeda Immersed in Vast, Flat Dark Matter Sheet

2026-01-30 08:43:00 ⇧ [VIDÉO] Vous pourriez aussi aimer ce contenu partenaire Une gigantesque nappe de matière noire plane enveloppant le Groupe local de galaxies (qui inclut la Voie Lactée et Andromède) expliquerait les mouvements des galaxies à proximité, selon de nouvelles simulations. Les petites galaxies proches s’éloignent notamment de nous conformément aux prédictions de la … Read more