The Habitable Zone Gets Poked, Tweaked and Stretched to the Limits

For more than 20 years now -- even before the first detection of an extra-solar planet -- scientists have posited, defined and then debated the existence and nature of a habitable zone.  It's without a doubt a central scientific concept, and  the idea has caught on with the public (and the media) too.  The discovery …

The Habitable Zone Gets Poked, Tweaked and Stretched to the Limits

For more than 20 years now -- even before the first detection of an extra-solar planet -- scientists have posited, defined and then debated the existence and nature of a habitable zone.  It's without a doubt a central scientific concept, and  the idea has caught on with the public (and the media) too.  The discovery …