... The author attempts to approach the problem from the positions of systems analysis with account for the ideological grounds and history of space activities in Russia and abroad, comparing its current interpretation with the initial goals posed by leading theoreticians and practitioners who stood at the cradle of the space exploration era. ... The space systems recognized in Russia as priority projects are largely developed with violations of the systems approach principles. ...
... 337, 275292 (2002) The correlation of line strength with luminosity and redshift from composite quasi-stellar object spectra S. M. Croom,1 K. Rhook,1 E. A. Corbett,1 B. J. Boyle,1 H. Netzer,2 N. S. Loaring,3 L ... We measure highly significant Baldwin effects for most broad emission lines (C IV 1549, C III] 1909, Mg II 2798, H ,H ) and show that they are predominantly caused by correlations with luminosity, not redshift. ... The correlations of log W with log(1 + z ) for each line. ...
... Войти на сайт: Имя: . ... Автор забыл указать имя ] . ... Задача про космос. ... На Петербургском экономическом форуме известный космонавт Сергей Крикалев порассуждал о бизнесе за пределами атмосферы и освоении других планет. ... Суборбитальные полеты, которыми интересуется бизнес, ? ... Космический туризм постепенно превращается в бизнес, но пока это относительном маленький сегмент освоения космоса. ... Сергей Крикалев ? ... 2008-12-04 01:40:00 Полеты в космос для туристов подешевели вдвое . ...