Read More: 6 Exoplanets in our Universe That Could Support Life Other Than Earth If WASP-76b sounds dangerous, HD 189733 b might be even more nightmarish. Located about 64 light-years away, this gas ...
New data from the James Webb Space Telescope (JWST) reveals that the "hot Jupiter" exoplanet HD 189733 b likely has an atmosphere that smells like rotten eggs due to the presence of hydrogen sulfide.