Newly discovered super-Earth orbits in and out of its star’s habitable zone. Could life survive its extreme climate?
In the world, our seasons are driven by our earth’s 23.4-degree tilt; for instance, northern summertime happens when our earth’s north hemisphere is tilted towards the sunlight. No matter the tilt of HD 20794d, its seasons are rather identified by just how much it has proceeded along its eccentric orbit. It is an exceptional planet....