In space, black holes are believed to generate intense gravitational fields that suck in all surrounding matter.
在宇宙空间中,一般认为黑洞产生的强引力场可以把周围吸所有的物质吸入其中。
We think of relativity's effects on time as occurring at near light speeds or in the presence of crushing gravitational fields.
我们一般认为只有在接近光的速度或存在着支离破碎的引力场的情况下,才要考虑相对论对时间的影响。
This dark matter provides the extra mass, which in turn creates gravitational fields strong enough to hold the clusters together.
这些暗物质轮流产生重力场以提供足够的附加质量将星团聚集在一起。
In fact, there's a property of gravitational fields anywhere, even in outer space, but there is some residual field between all the planets and all the stars in the universe, that the force on a body is proportional to the mass of the body.
实际上,这是任何地方的引力场都具备的属性,甚至是在外太空,在所有的行星和恒星之间,存在着某种剩余场,在这个场里作用在物体上的力,和物体的质量之间存在比例关系
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