New Earth-Size Planet Found

Not too big, not too small. Not too hot, not too cold. A newly discovered planet looks just right for life as we know it, according to an international group of astronomers. Orbiting a star about 500 light-years away, the planet called Kepler-186f is about the same size as Earth. As this artist’s interpretation shows, it orbits its star at the right distance for liquid water on the surface. That is an essential condition for life as we know it. But it is not exactly like Earth, NASA...

© La Voix de l'Amérique - jeudi 17 avril 2014