Activity for dyarob‭

Type	On...	Excerpt	Status	Date
Question	—	How could a smaller planet than Earth have a higher gravity? I want to build a planet (or satellite) that: is smaller than Earth, has a thicker atmosphere than Earth but breathable, has neither intense volcanism, nor any extreme condition of that sort that would increase atmosphere density, revolves around a binary star similar to BY Draconis A higher grav... (more)	—	almost 10 years ago
Question	—	Is it plausible that humanity goes extinct due to not making enough children? If not, what would make it more plausible? With the increase in living standards, the number of children by women is decreasing in highly developed countries. Question: Is it conceivable (with the aggravating factors proposed below) to see this tendency become global in the future, and the population ending up decreasing up to extinction l... (more)	—	almost 10 years ago