As gas pools, it turns into stars, whose outflows and explosions push material back out into intergalactic space—a process of negative feedback.
As gas pools, it turns into stars, whose outflows and explosions push material back out into intergalactic space—a process of negative feedback.
当气体集中形成恒星，所产生的喷流与爆炸会将物质向外推回星系际空间，这是一种负向的反馈机制。