PLANETARY WONDERS Although Antoniadi is best remembered for his work on Mars and Mercury, he also made observations of the other planets with the Grande Lunette, including Jupiter and Saturn. Indeed, one of his last observations was this one of Saturn, made on October 7, 1941. Both illustrations appeared in the 1964 work The Flammarion Book of Astronomy. sk yand tele scope .o r g * DECEMBER 2023 33https://skyandtelescope.org/