Sentences

    1. In Ufology, a close encounter is when a person witnesses an unidentified flying object.

    在不明飞行物学中，当一个人目击了不明飞行物被称为近距离接触。

    2. Belief in the existence of extraterrestrial life has led to the creation of various cults and religious sects.

    由于人们对存在外星生命的信仰，从而产生了各种信徒和宗教流派。

    3. Interstellar travel is made impossible by the unfathomable distance between even the closest stars.

    即使是相隔最近的行星之间的距离也是遥不可测的 ......