The New Planetary Habitability Index
Tuesday, April 17, 2012 - 15:00
in Astronomy & Space
Planetary Habitability Index Katie Peek Astronomers often estimate the habitability of extrasolar planets and moons based mostly on their temperatures and distance from the nearest star. A team of astrobiologists has now proposed a rubric that includes four groups of variables, each of which is weighted by its importance to sustaining life.