Kepler Finds Multi-planet Extra-solar System
By Frank Morring, Jr.
Astronomers evaluating data from NASA’s Kepler spacecraft have discovered two Saturn-sized gas giants orbiting a star in the first application of a technique that may help them find habitable Earthlike planets.
Designated Kepler 9b and 9c, the two planets are orbiting the Kepler 9 star at a distance closer than the planet Mercury orbits the Sun. Data suggest there may be a ...
