cometn.彗星
cometary head彗头
cometary coma彗星的彗发
comet-seekern.寻彗镜;彗星望远镜
cometary flare彗耀
cometary burst彗暴
comet-shapedadj.彗星状的
comet tail sign彗星尾征
comet formation(谱带)成彗星状(即拖尾)
Cometary nebula慧状星云
cometary meteor彗生流星