The search for exoplanets, which orbit other stars than our Sun, has changed our way of understanding the Universe. For a long time, astronomers have classified the planets using as reference the worlds of the Solar System. The thousands of exoplanets discovered in recent decades, however, have revealed a much greater diversity than expected. Among them stands out the Kepler-138d, a planet located about 200 light-years away from Earth that could…
The search for exoplanets, which orbit other stars than our Sun, has changed our way of understanding the Universe. For a long time, astronomers have classified the planets using as reference the worlds of the Solar System. The thousands of exoplanets discovered in recent decades, however, have revealed a much greater diversity than expected. Among them stands out the Kepler-138d, a planet located about 200 light-years away from Earth that could…