Siegel thinks that a rocky planet of more than 30% greater radius than Earth stands a good change of becoming a gas giant in consequence of its size. Earth is the right size to avoid that.
Tag: Super-Earths
Rocks on super-Earths may flow too close to the surface for life
Wherever you thought you were on that planet, you would soon be somewhere else. But it’s not really anywhere, is it? Advice: Stay home on solid Earth.