Distant world looks too ripe for life

Though in the habitable zone, newly discovered planet probably not habitable

By Nadia Drake, 18:54 PM December 6, 2011

The snazziest addition to the Kepler mission’s stable of confirmed planets is kind of a tease. A bit bigger than Earth, planet Kepler-22b orbits a sunlike star at a distance where liquid water, and therefore life, can exist.

But Kepler-22b is unlikely to be habitable.

The planet’s radius, only 2.4 times Earth’s, probably makes it too big to be life-friendly, says planetary scientist Abel Mendez at the University of Puerto Rico in Arecibo. Mendez produces the Planetary Habitability Catalog...

Source URL: https://www.sciencenews.org/article/distant-world-looks-too-ripe-life