彗核 meaning in English
cometary nucleus
Examples
- The head of the comet remains quite bright and easily visible to even city observers without any optical aide
彗星的彗核仍然非常明亮，因此不需藉助任何设备，用肉眼就可以看到。 - A comet consists of a tiny nucleus with diameter less than 10km . the nucleus is made up of frozen gases and dust
在彗星中心是一颗由凝固了的气体和尘埃组成直径小于10公里的细小彗核。 - Owing to the comet s own movement , the head or the nucleus of the comet should be followed as the target for best result
彗星有其本身的移动方向与速度，因此要拍摄清晰的彗星照片，就必须以彗头或彗核作为追纵对象。 - Spacecraft giotto s encounter with comet halley provided the first ever opportunity to take images of a comet nucleus when comet halley returned in 1986
1986年哈雷彗星回归时，欧洲太空总署发射的太空船乔图号成功拍摄到哈雷彗星的彗核。 - Historically , these visitors to the inner solar system provided a dazzling sight - brilliant , with long , narrow tails visible even in twilight
历史上，这些内太阳系的过客曾经向人们展示了惊艳的景观? ?细长的彗尾与明亮的彗核辉映着黄昏的天空。