Matter , energy and dark energy all produce curvature in space-time , however .
而事实上,物质、能量和暗能量在时空中都会产生弯曲。
Thin blue layers of the atmosphere , contrasted against the darkness of space , are visible along the earth 's curvature at image left .
与空间中那些灰暗处相比,图左那些大气中那些蓝色的薄层由于地球表面的自然弯曲而更可见一些。
The salt flats are white as snow , hard as concrete and so vast you can see the curvature of the earth .
盐滩洁白如雪,而且十分坚固,广阔的一望无际,你甚至能看到远处弯曲的地平线。
" There should have been curvature , but I didn 't see what mainstream science says should have been there , " he says .
他回忆说:”主流科学界的观点认为,这种水体应该是弯曲的,可事实并非如此。“
Such a massive spacetime curvature allows nothing , not even light , to escape from the " event horizon , " or border
黑洞里巨大的时空弯曲不允许任何事物,甚至连光线也不能从它的“事件视界”或黑洞的边界上逸出。
The focus of the light on the solar cell can also be fine-tuned by changing the air pressure within the balloon , and thus the curvature of the mirror .
将光线集中到太阳能电池上,也可以通过改变气球内的气压来调节,这样就改变了镜子的曲度。
Creating negative curvature using crochet is relatively simple : in each row , you add stitches at a constant rate .
用钩针织出负曲率相对比较简单:在每一排中,你以固定的频率缝入针脚。
It is locally convex in the sense that it has no loops and the curvature never changes sign .
它不存在环路并且曲率也没有改变图形在这个意义上来说它的局部是凸形的。
Strong winds aloft are responsible for the curious curvature of the rain shafts .
高处的强风是造成这种古怪曲率雨轴的原因。
He first attracted attention in 1950 , when , as an undergraduate at princeton university , he solved a previously unsolved problem on the total curvature of knots .