Life on an aquaplanet
Boston MA (SPX) Dec 29, 2014
Nearly 2,000 planets beyond our solar system have been identified to date. Whether any of these exoplanets are hospitable to life depends on a number of criteria. Among these, scientists have thought, is a planet’s obliquity – the angle of its axis relative to its orbit around a star.
Earth, for instance, has a relatively low obliquity, rotating around an axis that is nearly perpendicular —> Read More Here