life

The three Goldilocks

Three Goldilocks planets discovered orbiting the same star. They’re all in the Goldilocks zone where water can exist in liquid form, which is supposedly necessary for life as we know it. Perhaps any kind of life. Almost certainly for any kind of advanced life, though who can be sure? So if advanced civilizations developed on one or more of those planets they would quite likely visited the other life-supporting planets in their system at an early stage of development, the stage we’re at know, and perhaps in learning about those other planets that were quite like their home planet they…