彗晕
huì yùn
- comet halo
彗晕
彗晕[huì yùn]
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还指出彗晕并不像Eddington所讨论那样，是尘埃颗粒轨道的抛物线包络。
It is also pointed out that the halos do not correspond to the paraboloidal envelopes of dust grain orbits as discussed by Eddington .
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关于彗晕的形状，没有一致的意见和结论。
There is no conclusion and consensus on the shape of halos .
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论彗晕的形状
On the Shape of Cometary Halos
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借助于流体力学中一个修正的牛顿公式，指出彗晕的形状接近悬链线。
By means of a modified Newton 's formula of hydrodynamics , it is shown that the shape of cometary halos is close to a catenary .