... Astronomy 101 . ... Astronomers find first evidence of changing conditions on a super-Earth . The ability to peek into the atmospheres of rocky super-Earths and observe conditions on their surfaces marks an important milestone toward identifying habitable planets outside the solar system. ... This is the first time we ve seen such drastic changes in light emitted from an exoplanet, which is particularly remarkable for a super-Earth, said Nikku Madhusudhan of Cambridge s Institute of Astronomy. ...