Very likely not a biosphere because of the very extreme temperatures (for any type of life anyways, even extremophiles), but a lot of things we've discovered ov

Very likely not a biosphere because of the very extreme temperatures (for any type of life anyways, even extremophiles), but a lot of things we've discovered over the years used to be thought to be impossible too! https://news.ycombinator.com/item?id=7888553 https://news.ycombinator.com/item?id=7888553