Free Astronomy Magazine March-April 2023

THE FREE MULTIMEDIA MAGAZINE THAT KEEPS YOU UPDATED ON WHAT IS HAPPENING IN SPACE Bi-monthly magazine of scientific and technical information ✶ March-Apri l 2023 ✶ ✶ Stars are disappearing faster and faster The Fermi paradox − many solutions, no certainty Webb confirms its first exoplanet A near-pristine star found to be binary • Hydrogen masers reveal new secrets of a massive star • Mysterious “ghost” stars wandering around for billions of years • The majesty of our Milky Way in unprecedented detail • A galactic shock is shaping Stephan’s Quintet • Two waterworlds in the Kepler-138 system