As any enterprising schoolboy will tell you, misconceptions about the shape of the Earth were convincingly rectified some time in 6th century BC; that the planet is a sphere had been postulated by ...

The planet, Ross 128 b, is Earth-sized and is now the second-closest to Earth in temperature. The closest is Proxima b, located around Proxima Centauri, 4.2 light-years from Earth.

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?