comet nucleus

A comet's nucleus is a conglomerate of frozen material, mainly methane, ammonia and water, having meteoric particles and dust emBedded in it.

彗星的核是一团冻结的物质，主要有甲烷、氨和水，里面还含有流星微粒和尘埃。

The supposed nucleus of the comet is the bright centre of the coma.

预想的彗核是明亮的慧发中心.

Enhanced processing of Hale-Bopp comet ′ s near nucleus images and comparison of several processing methods

海尔-波普彗星近核区图像增强方法及比较

The comet nucleus itself is too small to hold on to these gases through gravitation.

慧核本身太小,它的引力不足以束缚住这些气体.

The pieces of the comet's nucleus appear to have been loosely assembled, so that they broke apart soon after the icy "glue" in between began to vaporize.

慧星的核心部位结合得很松散。当粘着它们的冰开始汽化时，它们很快就解体了。

In large objects like Halley's Comet the nucleus is measured in kilometres.

而别的彗星的彗核比如哈雷慧星的彗核要用千米来计算.

This nucleus has captured the slow-moving neutrons; The star captured a comet.

这核子已经俘获慢运动的中子; 这颗恒星俘获了一颗慧星.