Around this star are two planets, a super-Earth and a sub-Neptune. These are types of planets that are ... Using data from NASA's Transiting Exoplanet Survey Satellite (TESS) and the HARPS-N ...

and also the definition and resolution of the signature just blew me away," said Melin. Webb's new technology allowed astronomers to capture close-up images of Neptune's ionosphere, the ...

Christophe Lovis is also active in the study of exoplanet atmospheres using high-resolution spectroscopy, and he is leading a ...