北大团队证实一颗流浪行星！

Core Viewpoint - A research team from Peking University has confirmed the existence of a rogue planet, shedding light on the characteristics and origins of these celestial bodies that do not orbit any star [1] Group 1 - The article discusses the concept of rogue planets, which are solitary celestial bodies wandering through the cold darkness of interstellar space [1] - It highlights the historical challenges faced by astronomers in understanding the existence, mass, size, and origins of rogue planets [1] - The research represents a significant advancement in the field of astronomy, providing new insights into these mysterious objects [1]