茫茫宇宙, 人类何处觅知音? 近百年来,几乎全世界的科学家都认为,只有和太阳系结构类似星系的行系及其卫星上才可能有外星生命。于是,寻找这类行星便成为近年来天文学家的主要任务。 自第一个类大阳系发现以来,天文学家们已发现了此类星系中的行星不止 Nearly a hundred years ago, almost all scientists in the world believed that only aliens could be found on the lines and their satellites that are similar to the solar system. Thus, the search for such planets has become the main mission of astronomers in recent years. Astronomers have discovered more than just planets in these galaxies since the discovery of the first large series