Planetary science: Bypassing the habitable zone
Nature Geoscience 10, 545 (2017). doi:10.1038/ngeo2996
Author: Andrew P. Ingersoll
In our own solar system, Venus is too hot, Mars is too cold and Earth is just right. Simulations show that making an icy planet habitable is not as simple as melting its ice: many icy bodies swing from too cold to too hot, bypassing just right.