They've made a model wherein which the planet might have certain climate characteristics such that it might be habitable by some form of life and might be habitable by Earth life as well, if the planet exists. There is a lot more maybe in this report:
http://news.discovery.com/space/exoplanet-gliese-581d-human-...
They've made a model wherein which the planet might have certain climate characteristics such that it might be habitable by some form of life and might be habitable by Earth life as well, if the planet exists. There is a lot more maybe in this report: http://news.discovery.com/space/exoplanet-gliese-581d-human-...