article_snippet: You really need some mechanism to prevent gas from cooling, otherwise the universe would have 10 times as many stars.'
article_snippet: Even if one region experiences some cooling, the intensity of the surrounding heat would keep one region from cooling further - an effect known as conduction. '
article_snippet: So the heat exchange between your body and the hot gas would be very slow,' Dr McDonald added. '
article_snippet: You'd likely be killed by the lack of oxygen and extreme low pressure much faster.'
highlights_snippet: And black holes regulate the temperatures so they never get too cool .