I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.
理论物理学家
斯蒂芬·威廉·霍金(Stephen William Hawking,1942年1月8日—2018年3月14日),出生于英国牛津,理论物理学家,宇宙学家,科学思想家,英国皇家学会院士,美国国家科学院外籍院士,英国皇家学会工艺院院士。