A piece of physicist Sir Isaac Newton's apple tree is to defy gravity by being carried into space on the next NASA shuttle mission.

物理学家伊萨克•牛顿爵士的那棵苹果树上的一截树枝不久将随美国宇航局的宇航员们前往太空，体验零重力。

youdao

The mission consists of twinspacecraft that will enter tandem orbits around the Moon for severalmonths to measure the gravity field in unprecedented detail.

这个任务包括一对孪生飞船，它们会进入绕月轨道工作几个月，测量关于重力场的一些前所未有的细节。

youdao

NASA's upcoming GRAIL mission, which will precisely measure the Moon's gravity to paint a picture of its interior, may provide some concrete answers, according to the science journal.

据科学杂志称，NASA将要进行的“圣杯”计划将精确测量月球的引力，借此画出它内部的图片，这有可能会给我们提供更确切的答案。

youdao

If press reports are correct, however, the gravity of their implications may be greatly compounded by Secretary of State Powell during his personal diplomatic mission to Moscow this week.

CENTERFORSECURITYPOLICY: Is the Cold War ��Over'?