Вопросы и ответы
30-09-2020 Guillermo (email: carlton9n@gmail.com) Вопрос: I study here http://econf.rae.ru/farticle/91 buy clindamycin If the amount of material on the surface is limited, the comet will quickly brighten, and then diminish after the material has been depleted. If there is a more abundant frost layer, the comet will maintain its brightness. Also, if the material below the frost is loose, and not hard-packed, it too will contribute to the brightness of the comet. Increased activity adds more dust to the coma and the tail.
|
|
|