First, the intact sun-like star (left) ventures too close to the black hole, and its own self-gravity is overwhelmed by the black hole's gravity.

首先，画面左侧是一颗冒险过于接近黑洞的类太阳恒星，此时黑洞的引力压倒了恒星的自身引力。

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The container is designed to discharge liquid by gravity. When discharging liquid , remove top lid first.

本容器采用自重式排料设计。排液时，首先打开顶部灌装口盖；

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Hawking, 65, who has Lou Gehrig's disease, will be the first person with a disability to fly on the one of the flights offered by Zero Gravity Corp., a space tourism company.

六十五岁的霍金患上了肌萎缩性侧索硬化症，将成为第一位带有残疾的人参加由太空旅行公司，零重力公司的飞行。

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Dr Ralph Cordey, who is EADS Astrium's head of exploration and business, told BBC News that the concept of a gravity tug was actually first mooted by two Nasa astronauts, Edward Lu and Stanley Love, a few years ago.

BBC: British plan to tackle asteroids

An anomaly in the orbit of Mercury provided one of the first clues that the laws of gravity as described by Newton were incomplete, which, in turn, led Einstein to general relativity.

ECONOMIST: A space oddity