n,j;au ia:dkh
njg NASA
wdh;kh ms<s.kS
wefußldfõ NASA wdh;kh yd c¾udkq wNHjldY uOHia:dkh tlaj jir 2002 ud¾;= ui hq., pkao%sldjla ksmojd llaI.; flreKs tys wruqK jqfha fmd,j u;=msg ;sfnk .=¾;ajdl¾Ykhn,h jvd;a ksjerÈ f,i uek n,ñka ld,.=Kh yd fmd<fõ wNHka;rj isÿfjk fjkialï woHkh lsÍuh'
fuu fufyhqu GRACE (Gravity Recovery And Climate Experiment) f,i yeÈkajQ w;r fï jk;=re id¾:lj l%shd;aul fjñka mj;S' GRACE fmd,jg lsf,daógr 500 la by,ska .ukalrk fï pkao%sld hq., tlu m:hl iudka;rj .ukalrhs' pkao%sld hq., w;r ÿr lsf,daógr 200 la jk w;r tys we;s iqlaIu úoHq;a WmlrKj,ska pkao%sld w;r ÿr flia .il muK ^10 microns& fjkila jqjo uekSug iu;ah'
tf,iu tu f;dr;=re fmd<jg jd¾;d lsÍug ;dlaIKsl myiqlï j,ska o iukaú;h' fmd,j u;=msg ia:rh yd wNHka;rh taldldÍ fkdfõ' úoaO uQ,o%jH úúO >k;ajhka f.ka hq;=j úúo wkqmd;hka j,ska mj;S' tf,iu fmd,fõ u;=msg yd wNHka;r cd, yd o%j me;sÍug tldldß fkdfõ' tneúka fmd,fõ .=re;ajdl¾IK n,h iq¿ jYfhka wvq yd jeä jYfhka fjkia fõ' fuh idudkH ñksidg n,mdk uq;a th wmg oel.ekSug fyda uek .ekSug fkdyel'
lsf,daógr 500 la fmd<fjka wE; wNHjldYfha we;s fuu pkao%sld hq.,go fuh n,mdhs ' tneúka my, .=re;ajh wkqj poaßldfõ fõ.h wvqjeä fõ' ta wkqj pkao%sld hq., w;r ÿr ishqï f,i fjkia fõ' tu fjkialï .=re;ajhg wkqf,dauj iudkqmd;sl jk w;r ixlS¾K .khl lsÍï ;=,ska fmd,fõ .=re;aj is;shula ,nd .ekSug yelsù ;sfí'
gravity fuh wm okakd ifudaÉp f¾Ld is;shug iudkh' fuys iu .=re;aj we;s ia:dk iu mdáka olajk w;r wvqu .=re;ajh ks,a meyefha isg jeäu .=re;ajh r;= meyeh f,i f.k j¾K .kajd we;' fuu is;shfï wvqu .=re;ajh we;s ia:dkh ;=, ,xldj msysàu wreuhla fkdfõo@ fuys mrdih olajd we;af;a ógr j,sks' wvqu yd jeäu ;ek w;r ÿr ógr 200la muK fjkq we;'
fuh ógr j,ska oelaùu Tng .eg¿jla fjkq we;' wvq .=re;ajh we;s ,xldfõ isg jeä .=re;ajh we;s uef,aishdj wdY%s; fmfoig kejla .uka .kS kï thg ógr 200 muK by,g hdula isÿfõ' ir,j olajf;d;a wo ,xldj ;snqfka ;o r;=mdáka kï" Bg wod, uqyqÿ uÜgu wo ;sfnk m%udKhg ógr 200 la muK Wilska jeä úh hq;=h' tkï my; rg hgù Wvrg muKla b;sß fjkq we;'
fuu .=re;aj fjkig wkqj f,dalfha Wmßu yd wju w.hka .;fyd;a hï jia;=jl nr 0'6] lska muK fjkiaùug bv ;sfí' ,xldfõ fuu úfYaI msysgqu óg jir ;sy y;<sylg l,ska u isg yÿkdf.k ;snqKs' ,dxlshka fï .ek jeäjYfhka oekqj;a fkdisá uq;a" wo jkúg wmg jvd ;dlaIKfhka ÈhqKq rgj,a fï ms,snoj jeä Wkkaÿjla olajd we;' jir 1956 § Arthur C. Clarke uy;d ,xldjg meñK mÈxÑùu bka tl lreKla h'
mD;=ú mDIaÜfha isg we;=,g hkúg .=re;ajh wvqfõ " tkï mD;=ú flakao%fha .=re;ajdl¾IKh YqkHh' kuq;a mSvk wêlh' mD;=ú ;,h u; .=re;ajh wvqu ;ek ,xldj jk neúka f,dal ;,fha flakao%h fkdfyd;a f,dalfha yßueo ,xldj msysÜfha hs lSu ksjerÈh' fuu lreK wo muKla fkdj jir oyia .Kkl isg wfma uq;=ka ñ;a;ka oekisá njg YdlaIs yuqfõ'
;%smsglfha fukau mqcdj,sh" rdcdj,sh" oUfoKs wik" jkaks rdcdj,sh yd fodrfldv wiak hk f,aLK j, mD;=ú ;,h u; fY%IaG yd n,j;a ñksiqka ìysfjk NQñhla we;s nj;a th uOH uKav,h f,i;a olajd we;' tys ìysjk fY%IaG yd n,j;a ñksiqka f,i ishÆ nqÿjreka yd ishÆ ilaú;s rcjreka olajd we;'
fuu uèh uKav,fhka Ndysr rgj,a mriïh foaY” jYfhka kï lr úYd, rgj,a m%udKla olajd we;' tajd w;r fkamd,h" nx.,sfoaYh" ldYaórh" ,dg rg" iskaOqr foaYh" l¾Kdgl" .=crdg" ldïfndach" fhdakl foaYh" fid,srg" frdauh yd iamd[[h jeks rgj,a we;" f,dalfha rgj, msysàug wkqj úoHd;aulj widudkH msysgqula we;s tlu rg ,xldjh'
wmg wdikakfha we;s úYd,u jia;=j io h' tys.=re;ajh fmd,fõ .=re;ajh jvd wvqh' o, jYfhka 0'16 la fõ' fmd,fj isg 384"400 km ÿrlska" wvq .=re;ajhla we;s io" jvÈh yd ndÈh we;s lrñka fmd,jg n,mEï lrkq ,efí' iuyr ia:dkj," jv yd nd Èh w;r fjki wä 50 la muK fjk njg fidhdf.k we;'
ta yd iudk n,mEula iq¾hhd f.ka o we;s fõ' iq¾hhdf.a .=re;ajh fmd,j fuka 28 .=Khls tkuq;a 149"600"000 km ÿßka we;s ksid thska we;sjkafka ifoa n,mEu fuka wvls 'io fmd,j jgd hdug .;jk ld,h ojia úis wgls th pkao% udih kï fõ' uqyqÿ c,h u; muKla fkdj ñksia isrer ;=, we;s ;r, fuka u fydafudak iy ñksia fud,fha lsßhdlß;ajhg o io n,mdhs'
Èk úis wglg jrla isÿjk ldka;djkaf.a wd¾;jyrKh fuhg fydou ksoiqkhs' fmdfydh ojig ukfia l%shdldß;ajh jeäjk njg ms<s.ekSula we;' tf,iu reêr .ukd.ukh jeä ù f,a leá .eiSu wvq fõhs úYajdihla mj;sk neúka iuyr fjoÿrka fmdfyda Èk Y,Hlru fkdlr;s' fuh nqÿ oyñka ;j;a ms,sìnq fõ'
fmdfydh Èk mskaoyï lsÍug fhdod.kafka tu ksidh' tf,iu fuf,dj my,jQ Wiiau ñksidf.a f;u.=, fukau úfYaI wjia;djka" fmdfydh Èk isÿùu fn!oaO idys;Hfha we;=,;ah' úfoaYSh ckm%jdo iy ckl;dj, fmdfydÈk úfYaI nj ioyka lrhs ' iq¾hla .%yKh hkq fuys Wmßu wjia:djhs ' túg iQ¾hh yd pkao%hd tlu frLdjl msysgk w;r fmd,fõ .=re;ajdl¾Ykhg m%;súreoaOj l%shdlrñka fmd,fõ n,h wvq lrhs'
nhsn,h hlaIhd f,io" nqÿ oyu udrhd f,io fmd,fõ n,h yÿkajhs' urKh hkq udrhdf.ka ,nd.;a Kh h' wm ljodfyda urKh f.jd" kej;;a Kh ,nd.ksñka bmfoa' ukqIHhd ukiska fukau YÍrfhka o fmd,jg ne§ isá' udrhdf.a n,h oi wdldrhlska l%shd;aulh' tajd fmd,jg fkdfyd;a íug nrh" oi ìïnr udr fik. kñka yÿkajkafka thh'
oeka ud Tfnka mekhla wiñ' fmdfydh Èkl oiìïnr udrfik. miqfjkau merÈh yels jkafka f,dalfha l=uk ia:dkhl isgo @ ke;fyd;a l=uk rfÜ jeisfhl=go @ nqoaO;ajh kï jQ tu fY%IaG udkisl ;;ajhg myiqfjka u m;a úh yelafla l=uk rfÜ jeisfhl=go@ fndfyda úoaj;=ka fukau nqoaO foaYkdj wkqj o" ñksid f,dj we;sjkafka ´mmd;slj fkdj msgilaj, wd.ukhla ksidfjks'
nqÿ jofka fuh wdniair nU f,dj f,i yÿkaj;s' oeka uu Tfnka ;j;a m%Yakhla wiñ' msgilaj, Ôúfhl= yg mD;=úhg myiqfjka meñKsh yelafla yd msgúh yelafla f,dal f.da,fha l=uk ia:dkfhka o@ fkdtfia kï l=uk ráka o@ f,dalfha m,uq Ôjh we;sjkakg myiq fudk rfÜ o@ ,xldj ;=, ndysr f,dal yd iïnO úh yels ilaú;s rcjre fukau ;dlaIKho ;snq nj wmf.a b;sydih yd mqrd úoHdj lshdmdhs '
tys fydou WodyrKh jkafka wkqrdOmqr rkauiq Whfka we;s ;drld fodrgq ,dxpkhs' fï yd iudk ,dxpk f,dj we;af;a" tlla Bðma;=fõ yd uelaisfldafõ muKs' rdjk hkq tjka ilaú;s rc mrmqrl wjidk mqrelh' ,xldj hkq bÈß wkd.;a§ wvq bkaok Yla;s m%Njhlska wNHjldYhg hd yels fydou ia:dkh nj oeka f,dalfha iïu; ù l;dny fjñka mj;S' wkd.;fha muKla fkdj w;S;fhys mjd tfia jkakg we;'
Wiaikaf.dv hkq tjka ia:dkhla njg cku;hla mj;S' fuu ;;ajh whym;a wdldrhgo n,mdhs' ukfia l%shdldß;ajh ksid .egqï jeäùugo bv ;sfí' f,dalfha jeäu udkisl l%shdldÍ msßila we;s ,xldj" Èúkid .ekSï j,ska m<uq ;ekg m;ajkafka tu ksidh' nqÿka fldfya isáh;a tu ia:dkfha fojo;a;o isáfhah' tf,iu ,dxlslhka md,kh lsÍu wmyiqh' foaYmd,kfha ks;r .egqï we;sfõ" hqO we;sfõ'
iqr wiqr" rdu rdjk" YdlH flda,sh" t<dr ÿgq.euqKq wd§ ld,fha isg wo olajd th mejf;k nj ´kEu flfkl=g fmkS hkq we;' ,dxlslhka we;a;gu olaI jkafka fï .=re;aj msysgqu ksidh' f,dalfha ck.yk wkqmd;h .;al, ,xkalslhka f,djmqrd by, ;k;=rej, isákafka tu ksidh' ,xldfõ fï úfYaI msysgqu .ek" úfoaY fjí wvú lsysmhlu l;dlrkq olakg ,efí'
ukd l,ukdlrKhla yryd f,dj Èjqkqu rg njg fï rg m;alsÍug fukau" fuu msysgqu ksid ixpdrlhka jeä lr.ekSug;a yelsfjkq we;' flfia fj;;a ,xld ixpdrl uKav,h fïh okakd njla olakg fkd,enqKs' Tjqka Wkkaÿ jkafka ykquka yd iS;d fldaú,a bÈlr bkaÈhdkq ixpdrlhka f.kaùu jeks miqld,Skj m%Yak we;sjk úhdmdrka flfrys nj wikakg ,enqKs'
wjidk jYfhka ;j;a jeo.;a fohla fmkajdfokq leue;af;ñ' wo f,dalfha fn!oaO" uqia,sï" yd lf;da,sl jYfhka m%Odk wd.ï ;=kla we;' fuu wd.u ;=fkysu ne;su;=ka tlg jkaokd lrk f,dj tlu ia;dkh we;af;a ,xldfõh" úfoaY fmd;mf;ys óg jir oyia .Kklg fmr uyd wef,laiekav¾ rcq jeomqod.;a nj ,shfjk" f,dj m%:u ñksia jdih ìysjQ ia:dkh f,i wkH wd.ñlhka wo;a i,lk ia;dkh ;sfhkafka wm Wmka fy<ìu ;=,h'
wka;¾cd,fhka Wmqgd .kakd ,o ,smshls
úúO fjí wvú úiska fï .ek meyeÈ<s lr we;s wdldrh n,kak
http://www.csr.utexas.edu/grace/gallery/animations/world_gravity/
http://www.csr.utexas.edu/grace/gallery/gravity/03_07_GRACE_earthgeoid.html
http://www.csr.utexas.edu/grace/gallery/gravity/ggm01_asia.html
Gossipsinhalanews
Loading...
|
.jpg)
.jpg)
