
Astronomers reported last Monday the discovery of Kepler-22b, the first planet (besides Earth) confirmed to be in a “habitable zone” – it means that liquid water, which is essential to life as we know it, could exist.
“This is a phenomenal discovery in the course of human history,” Geoff Marcy of University of California, Berkeley, one of the pioneers of planet-hunting outside our solar system, told the NY Daily in an email. “This discovery shows that we Homo sapiens are straining our reach...