Most exoplanets, we are told, fall into this size range and it is not yet known if it has a rocky surface, considered important for life. Here’s a roundup of some things we know.
Researchers: An all-ocean planet would be sterile due to lack of nutrients leached from land.
Researchers: Both highly ordered and disordered tetrahedral arrangements give water its “peculiar properties.” The paper’s title spells this out: “Water-like anomalies as a function of tetrahedrality.”
So, it turns out, even if there IS lots of water in a solar system, that doesn’t add up to habitability either. Talk about Rare Earth and Privileged Planet.
In other words, Earth doesn’t just “have water”; it is fine-tuned for life. We need to find exoplanets that are likewise fine-tuned.
At one time, it wathought that the mechanisms by which water transports the H+ and OH− ions were mirror images of each other, though in recent years, asymmetry was glimpsed: A team of scientists has uncovered new molecular properties of water—a discovery of a phenomenon that had previously gone unnoticed. Liquid water is known to Read More…