Rogue planet accretes mass at record 6 billion tonnes per second

October 03, 2025 由 AI 报道

Astronomers have observed a free-floating planet gaining mass at an unprecedented rate as it plows through the interstellar medium. The rogue world, similar in size to Jupiter, is adding 6 billion tonnes every second in what researchers call a record growth spurt. This discovery highlights how such planets can evolve independently of stars.