When an international crew of astronauts launch on a commercial space mission, they will be joined by a स्वैन, a łabędź or a hattyú. Or, in English, a swan.
Astronomers have found another super-Earth. It's about 10 times more massive than Earth, and orbits in the habitable zone of a Sun-like star 2475 light-years away. These massive Earth-like planets hold key information about how planets form and evolve.

