Free Astronomy Magazine November-December 2025

51 ASTRO PUBLISHING NOVEMBER-DECEMBER 2025 T his artist’s concept shows the volatile red dwarf star TRAPPIST-1 and its four most closely orbiting planets, all of which have been observed by NASA’s James Webb Space Tele- scope. Webb has found no definitive signs of an atmosphere around any of these worlds yet. [NASA, ESA, CSA, STScI, Joseph Olmsted (STScI)]