NGC 470暗淡而巨大的弧圈或壳可能是与比邻星系NGC 470之间的引力碰撞形成的。
The faint, wide arcs or shells of NGC 474 could have been formed by a gravitational encounter with neighbor NGC 470.
粒子与反粒子仍然存在碰撞的机会，因为万有斥力要比电极引力弱得多。
Particles and antiparticles could still collide, however, since gravitational repulsion is much weaker than electrical attraction.
它们是不是由大爆炸之前特大质量的黑洞灾难性的碰撞引起的引力波的漏泄？
Could they be the leakage of gravitational waves caused by the cataclysmic collisions of supermassive black holes before the Big Bang?
在宽广且模糊的柯伊伯带中，微粒彼此碰撞的几率不大，因此它们会慢慢被海王星的引力共振所俘获，时间非常漫长。
In today's wide, fuzzy Kuiper belt, the particles don't meet very often, so they stick around long enough to fall into resonances with Neptune.
彭罗斯认为，这些圆圈是将以前的宇宙窗，留下的碰撞在前面的宇宙黑洞的引力效应背后的球形涟漪。
Penrose believes these circles are windows into the previous universe, spherical ripples left behind by the gravitational effects of colliding black holes in the previous universe.
在巨分子云聚合形成过程中，一般都包括了分子云间的非弹性碰撞与分子云间的自引力。
The inelastic collision between clouds and the self -gravitation among clouds are included in the aggregation formation of GMCs.
碰撞结果，忒伊亚和地球的外层物质被抛入环绕地球的轨道，并最终在自身引力下聚合为月球。
The resulting impact blasted the outer layers of Theia and Earth into orbit, which eventually coalesced under their own gravity to form the moon.
嗯，宇宙是个混沌之地。 某一星系，或一组星系的万有引力可能会影响其周围天体的活动，使得它们发生碰撞。
Well, the universe is a chaotic place-and the gravity from one galaxy, or from a group of galaxies, may disturb the motion of its near neighbors, causing them to collide.
嗯，宇宙是个混沌之地。 某一星系，或一组星系的万有引力可能会影响其周围天体的活动，使得它们发生碰撞。
Well, the universe is a chaotic place-and the gravity from one galaxy, or from a group of galaxies, may disturb the motion of its near neighbors, causing them to collide.
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