would be trapped in the outer rea ae re art . af would only slowly ‘leak’ dewn int. the atmos frre an ype ator collisions with air molecules int.e #1 oy .é riagoee Bul ® O term the in be would trapping region “pa opige tr the earth and bounded by lines of t re¢ minutes to weeks were estimated five eclrue B eEOs ': " rte yy ranged as close to the solic earth «« The proposal of Christoti. . .4n wt of other scientists and the den. following months. af Meanwhile, the United States 24 wit wards, led tothe discovery cia s.- existence in the region arouri t: corpuscular radiation duet mati ' aoa * e enct | Fhysical Society. + we ak The fate of thr entire epter, + Science Advisory Gomunitte son so involved a mixture Of seiemtit «a9 of the President's Scienct say 5 4 tatives of the scientific rommunit 2 brought together tc apprais- a.. 4 4: in latter April 1958 to proceen wet ot national undertaking. The perat ou. the project waa vested in ths new «. 4 ef the Department of Defense, [non « Herbert York directed the progra 4 The Air Force Specia Aa; of a series of high aititude -oud 4 fringes of the expected effe:t at. five-stage solid propellant rarket c+ 4 NACA. The Air Force Cam5ring: Research Institute develope :, io. tof equipment at suitable grcunc stit The difficult mission of delivering tire high altitude and detonating them *-. South Atlantic Ccean wag uniertur organized for the purpose oy ) .é ws shyt 1 1 at ' 1 we rt i > eM ee t ' ct AV. initiation |: > ote ated 4 The existence of the natura * 4 all validation of the proposal of" ~++! the problem of whether obaservati injection of electrons woule be p “background | » * + be eur more i, The first public repov-t of tr. in terms of magnetic trapping “a 7 symposium of the National cade The repert wai AT . wv . ft Vy acy L ’ roata ‘e woo ger : oct - dy ote with his colleagues of the State: | carried out the experiment: tt ee 8 ft Bd IGY satellite, Explorer I, vhic aos of cosmic radiation in the vicinits ' ¢ this satellite as weli as those y ot abs + tre "ae Shant SF OF ee tow 1 " 1 ‘ 1 “if tet Te be ud pre roy P tr ' gre res raf ~ os J ¢ oe erate ie Wn) aw (ae tener wa & To 7 hi! ’ vada a 1 a + etd L "s ld t erty leads Y ‘ ad ce! oP t a tie? ¥ ad ‘ ) 4 4 6 1 oak Loa