Alien Worlds TESS'S EXOPLANETS Using TESS, astronomers have discovered 5% of all confirmed exoplanets. But for nearby terrestrial planets and planets around the smallest stars, its impact is much larger. (These numbers are for January 1, 2023.) TESS Total Number of Exoplanets Discovered 285 Kelvin 2400- 3700 50% Fraction of all known terrestrial planets within 200 light-years of Earth that were discovered by TESS M TESS STELLAR HOSTS BY TYPE* 21% 28% 3700- 5200 K 35% 5200- 6000 G 16% 6000- 7500 F *some stars have no published temperature TESS PLANETS BY SIZE* 0.36% 6.5% 17% 31% 12% 5.1% 19% 8.7% Re = Earth radii *some planets have no published radius Mars 0.3-0.7 Re Earth 0.7-1.2 Re Super-Earth 1.2-1.9 Re Sub-Neptune 1.9-3.1 Re PLANETS DISCOVERED WITHIN 200 LIGHT-YEARS OF EARTH TESS Kepler 38 MAY 2023 * SKY & TELESCOPE