The world's best known living scientist, Stephen Hawking, was too ill to attend his 70th birthday celebrations on Sunday but in a recorded speech urged people to "look up at the stars" and be curious ...

喜欢说自己出生在伽利略300周年忌日的英国宇宙学家、黑洞专家斯蒂芬·霍金(Stephen Hawking)于周三去世，这一天正好是阿尔伯特·爱因斯坦(Albert Einstein)的139周年诞辰。 这是一个适宜的结束。 在大众媒体上，霍金常被称作继爱因斯坦之后最伟大的物理学家。