... Spacecraft that will search for planetary systems around 40 million stars and observe the largest explosions in the universe have been chosen as the next two missions in NASA's medium-class Explorer (MIDEX) program. ... The first mission, to be launched in 2003, is the Swift Gamma Ray Burst Explorer, a three-telescope space observatory for studying gamma ray bursts. ... During its three-year mission, Swift will also survey the sky for new black holes and other sources of cosmic gamma rays. ...

Home | Products | How to contact ] . ... GRINEXT Corp. ... Gradient Optics . Research and Develpment . Gradient-Index Optical Components Manufacture . Gradient-Index ( GRIN ) glass preforms . GRIN lenses . for fiber lasers optics . ... Research in the field of ion-exchange technology . of gradient-index glasses . with different types of gradient . ... 3D-gradient . ...

... 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. ...

... Solanki S. K. Small-scale solar magnetic fields: An overview // Space Sky . ... Fe I 5247,1 5250,2 е, Fe I 6301,5 6302,5 е. ), . ... Lvm 5250 , 6301 ­ . ... k, rv- (rvw), rv- - (rvf). , rvo = rvf + k* rvw, rvo ­ . ... 2 , Lvm, [6] е 5247 40,5 5250 58,5 6301 67 6302 73 Lvm, [5] 40,8 40,8 64,8 58 Lvm, k=0,8 40,8 53,2 65,5 65 Lvm, k=-0,8 39 61,2 69,5 80 Lvm, k=3,0 40,8 44,8 65 61 Lvm, k=-3,0 27,2 53,5 65,2 49,5 80 86 If*f, rvo = (rvf + k*rvw)/ [1 + (1-f)/f *Ip/If], k = (Ip*p)/(If*f) = 0,72p/f (3) (2) ....

... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...