An Earth-sized planet that might hold liquid water
Ann Arbor MI (SPX) Apr 27, 2014 - In a dim and faraway solar system, astronomers have for the first time discovered a rocky, Earth-sized planet that might hold liquid water-a necessary ingredient for life as we know it. The planet Kepler-186f is the fifth and outermost world orbiting the red dwarf Kepler-186. The slow-burning sun is smaller and cooler than our own. Too faint to be seen without a telescope, it's roughly 500 ... more

---