lf th~, ro~ort is to be t on ~t r~oa va l uo, than r~ e.o trono.'nic.~l o:tpl ~-n:l.t io:J. of i;~:J inoloer..t is po ~ s l o 1~>.:. for tho inaiden~, ti1a prv~cnt invectir;l.~or ir:~ inpruS~vd ~.-;i\,h tl:tj It would h.avo e.:J1n '-re'l t:"La.t nip)1t .l~ un ln ten~el y lnlc:;ht licht i n th9 northi7'-l ~t ~ hTifEK'S EVALUATIO~S EXT~ACTED FROH p;tOJECT Gr<Uul.G H.EPOHT. 1 . A1tron~io~l 1::1~ prob:t.bili ty s b.. ro.ir c r lo"!f ll:ObE.\b:!.lit:y I lJ ~ll~Hlil S \)rd tr.o.ry a i ro raft 1 l'oolc ~ :~ flu or 1Ll1:~; bcdi~n~ ( r't' 1 ct~:>nJ, a.uroc-al :st.rt~m~H~ .. bird 1 .. c~ t1f vid.tnc p~ cl !dos explo.na t too'