STRUCTURE AND DEVELOPMENT OF COMETARY TAIL.
HAMBURGER STERNWARTE (GERMANY)
Pagination or Media Count:
The physical conditions in comets which lead to the formulation of type I-tails are discussed. The report comprises the following five seperate papers 1 The ionization in comets 2 brightness and structure of the Na-emission in comets 3 the heads of comets and the lifetimes of their molecules 4 the axes of the type I tails of comets and 5 an expanding halo of comet alcock 1963b index cards.