
The first detected “mini-Earth” and an Earth-sized planet with a water-vapour atmosphere are two of five planets found orbiting Kepler-20. Image: NASA/Ames/JPL-Caltech.
Two weeks ago Kepler gave us its first probable earth-like world orbiting the habitable zone of a sun-like star. This week it’s not one but two, count ’em two, small and probably rocky worlds. And these guys are tiny by exoplanetary standards: [Read more…]



