Extrasolar Planets

Scientists recently discovered what the media is calling a “super-Earth” — a planet which may be able to house liquid water and has properties similar to earth’s own. Before you get ready to buy real estate, you should hear some other aspects of this “super-Earth” which may not be so cozy . . . or even habitable. The following was sent to us by astronomer Guillermo Gonzalez, whose work has investigated the requirements for habitability in the universe: You are right about the host star being an M dwarf posing problems for habitability. The smallest planet’s eccentricity is comparable to that of Mercury, so it is probably locked into a 3:2 spin-orbit resonance. So, the planet will experience large temperature Read More ›