论文部分内容阅读
科学家们预测,银河系里将会有大量的像太阳系一样的恒星系存在。而作出这个预测的关键特征就是所谓的——金属性。
Scientists predict that there will be a large number of solar system-like galaxies in the Milky Way. The key feature of making this prediction is the so-called metallization.