An curved arrow pointing right. 55 Cancri e – a planet eight times the size of Earth – is 40 light-years away. Astronomers just found out what its air is made of. Produced by Matthew Stuart.

An curved arrow pointing right. Astronomers were recently able to map the temperature of 55 Cancri E — a Super-Earth 40 light-years away — and discovered half the planet is almost completely ...

Also called Janssen, 55 ... [+] Cancri e is a so-called super- Earth, a rocky planet significantly larger than Earth but smaller than Neptune, which orbits its star at a distance of only 1.4 ...

A super-Earth unique from any other planet55 Cancri ... scientists have revealed a secondary atmosphere by standing 55 Cancri ...