"Brown dwarfs, planets or stars" JuMBOs play charades with astronomers As explained above, the big mystery about JuMBOs is they seem to defy the formation avenues that lead to both stars and planets .
Using the Keck Telescope in Hawaii, UC Berkeley researchers observed a planetary system, KMT-2020-BLG-0414, with an Earth-sized planet in a distant orbit around a white dwarf, along with a brown ...