Uninhabitable Earth
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/11/notebook_scistat_feature.png?fit=860%2C460&ssl=1)
A.J. Rushby et al/Astrobiology 2013; Penfold/Istockphoto, Banderlog/Istockphoto, Enjoynz/Istockphoto, Bikerboy82/istockphoto, S. Egts
A.J. Rushby et al/Astrobiology 2013; Penfold/Istockphoto, Banderlog/Istockphoto, Enjoynz/Istockphoto, Bikerboy82/istockphoto, S. Egts