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My binary terrestrial planets are roughly the size of earth and they are tidally locked with one another. They are 12,000 miles (19,312 km) apart. That distance is based off of this article, http:/...
My binary terrestrial planets are roughly the size of earth and they are tidally locked with one another. They are 12,000 miles (19,312 km) apart. That distance is based off of this article, http:/...