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Athens News Agency: News in Greek, 09-08-19

Athens News Agency: News in ASCII Greek Directory - Previous Article - Next Article

From: The Athens News Agency at <http://www.ana.gr/>

PERIEXOMENA
  • [01] Iakwbakhs: 5os ston Pagkosmio Stiboy
  • [02] Lysh sto mysthrio twn periodikwn "epoxwn twn pagwn"

    [01] Iakwbakhs: 5os ston Pagkosmio Stiboy

    O kalyteros fetinos Periklhs Iakwbakhs htan telika o xqesinos, afoy me nea atomikh fetinh epidosh 48'' 42 termatise 5os sta 400m. met' empodiwn, aggizontas to xalkino metallio, to opoio exase gia 20 molis ekatosta toy deyteroleptoy.

    Me thn kalyterh fetinh koyrsa, opws eipe o idios, mphke trexontas ston 7o diadromo se poly kalh seira sthn eyqeia kai edeixne mexri ta 370 metra oti eixe thn 3h qesh. Omws hlqe apisteyta dynata apo ton 8o diadromo o Portorikanos Xabie Kalson kai termatise 2os me 48'' 09, enw krathqhke sthn 3h qesh o Amerikanos Mperson Tzakson me 48'' 23, para thn piesh toy Tzexoya Gkornton apo to Trinintant (4os me 48'' 26). O monos poy termatise makrya htan o Amerikanos Keron Klement, nikhths me 47'' 91.

    O Iakwbakhs dhlwse meta ton agwna: ``Meta apo tosa xronia se agwnes, aisqanomai oti edw me aytoys toys treis egina sofoteros. Ston teleytaio nomizw oti ekana to kalytero apo pleyra aytopepoiqhshs kai sxediasmoy prin apo ton agwna. Qewrw oti phga kala. Eimai ikanopoihmenos me thn prospaqeia moy kai thn epidosh, alla kai h 5h qesh se pagkosmio prwtaqlhma einai megalh. Omws skeptomai oti exasa ena metallio, isws gia dyo diaskelismoys poy xreiazomoyn sta teleytaia metra. To blepw poly dyskolo gia Qessalonikh, afoy kaneis den moy to exei zhthsei mexri twra. Twra jekoyrash kai erxontai Paneyrwpaikoi''.

    Spoydaia emfanish kai apo th Sabba Lika ston teliko toy akontismoy, afoy me th gnwsth ths ajioqaymasth maxhtikothta katafere na mpei sthn oktada kai na anebasei sthn 6h prospaqeia thn epidosh ths sta 60m.29, poy den beltiwse pantws th qesh ths, afoy h 7h Koybaneza Menentes eixe 63m.11.

    Stis dhlwseis ths tonise: ``Den jerw an eseis eiste eyxaristhmenoi, alla egw den eimai. Pisteyw oti den erija kala se aytoys toys agwnes. To paleca omws kai eimai eyxaristhmenh apo th qesh poy phra. Eyxaristw ton proponhth moy k. Akribakh poy ftasame mexri edw''.

    Mia leptomereia kostise sthn poly kalh xqes Tonia Stergioy thn prokrish ston teliko toy ycoys, paroti shmeiwse kalyterh fetinh atomikh epidosh me 1m.92.

    H 24xronh aqlhtria emeine sth 13h qesh anti ths 11hs, epeidh exase thn 1h prospaqeia sto poly xamhlo arxiko ycos (1m.80), logw enoxlhshs poy eniwse, exontas desei poly sfixta to papoytsi, opws eipe h idia!

    Sth synexeia perase me thn 1h prospaqeia 1m.85 kai 1m.89 kai me th 2h to 1m.92, enw apetyxe sto 1m.95, poy htan to orio, to opoio perasan mono 9 aqlhtries kai etsi prokriqhkan kai alles treis me 1m.92, stis opoies qa htan kai h Stergioy, an den eixe xasei ekeino to 1m.80 sthn 1h prospaqeia.

    ``To papoytsi moy sterhse thn prokrish, afoy den mporesa kai to 1m.95. Xreiazetai kai ligo tyxh, poy den eixa s' ayto ton agwna. Twra qa paw diakopes, afoy den qa eimai mallon sth Qessalonikh kai qa prospaqhsw na eimai pio etoimh stis epomenes diorganwseis''.

    Stoys telikoys ths bradias qriambeytes oi Amerikanoi me dyo xrysa sta 400aria me empodia, enw oi Germanoi eniwsan th megalyterh xara me thn prwtia ths Stefi Nerioys sto akontio.

    Oi oktades twn shmerinwn telikwn:

    [02] Lysh sto mysthrio twn periodikwn "epoxwn twn pagwn"

    Oi episthmones fainetai pws epiteloys qetoyn ena telos sthn makroxronia diamaxh toys sxetika me ton basiko mhxanismo poy brisketai pisw apo tis periodikes "epoxes twn pagetwnwn" sth Gh kata ta teleytaia dyomish ekatommyria xronia. Oi aities gia toys pagoys poy erxontai kai feygoyn kata periodoys, syndeontai telika me tis mikres metaboles sthn hliakh aktinobolia (kai oxi sto diojeidio toy anqraka), oi opoies prokaloyntai apo periodikes problecimes metaboles ston ajona peristrofhs toy planhth mas, symfwna me mia nea episthmonikh ereyna.

    Mia dieqnhs omada episthmonwn, me epikefalhs ton Piter Klark, kaqhghth gewepisthmwn toy politeiakoy panepisthmioy toy Oregkon, se sxetikh ergasia toys sto periodiko "Science", symperainoyn oti oi gnwstes talanteyseis sthn peristrofh ths Ghs prokalesan ta epipeda twn pagwn pagkosmiws na fqasoyn sto apokoryfwma toys prin 26.000 xronia, na staqeropoihqoyn epi 7.000 xronia kai meta na arxisoyn na liwnoyn prin 19.000 xronia, wspoy h teleytaia epoxh twn pagetwnwn termatisthke.

    To arxiko liwsimo twn pagwn proklhqhke apo thn ayjhsh ths hliakhs aktinobolias kai oxi apo tis metaboles sto epipedo toy diojeidioy toy anqraka h stis qermokrasies twn wkeanwn, opws merikoi episthmones eixan yposthrijei ta teleytaia xronia.

    "H hliakh aktinobolia htan h 'skandalh' poy pyrodothse to liwsimo twn pagwn, ayto einai pia sigoyro", dhlwse o kaqhghths Piter Klark. "Yphrjan epishs allages sta epipeda toy atmosfairikoy diojeidioy toy anqraka kai sthn kykloforia twn wkeanwn, omws aytes synebhsan argotera kai aplws enisxysan mia diadikasia poy hdh eixe jekinhsei".

    Ta symperasmata ayta einai shmantika, symfwna me toys episthmones, epeidh qa epitrecoyn stoys ereynhtes thn kalyterh katanohsh toy pws liwnoyn oi pagoi logw twn metabolwn sthn hliakh aktinobolia kai etsi qa bohqhsoyn toys episthmones na problecoyn me megalyterh akribeia to pws qa antidrasoyn oi pagoi ths Ghs sto mellon.

    Oi episthmones mporoyn na ypologisoyn tis allages ston ajona peristrofhs ths Ghs se baqos 50 ekat. etwn sto parelqon. Oi allages aytes prokaloyntai kyriws apo th barytikh epidrash twn megalyterwn planhtwn toy hliakoy mas systhmatos, opws o Dias kai o Kronos, poy elkoyn th Gh me elafrws diaforetikoys tropoys sth diarkeia xiliadwn etwn.

    H syndyasmenh ayth epidrash mporei na metabalei ton ajona ths Ghs -kai ara ton tropo poy o planhths mas "gernei" pros ton hlio- mexri kai dyo moires sth diarkeia megalwn xronikwn periodwn. Ayto exei ws synepeia na allazei o tropos (h gwnia) poy h hliakh aktinobolia peftei panw ston planhth mas. Aytes oi mikres metaboles sthn hliakh aktinobolia hsan arketes gia na pyrodothsoyn allepallhles epoxes pagetwnwn kata ta teleytaia dyomish ekatommyria xronia, oi opoies eftasan sto apokoryfwma toys kaqe peripoy 100.000 xronia.

    Kapoia stigmh sthn epoxh mas, symfwna me toys episthmones, h Gh qa prepei arga-arga na bgei apo thn makroxronh periodo poy twra biwnei anamesa se dyo pagetwnikes epoxes -kai h opoia exei krathsei peripoy 10.000 xronia- kai na arxisei jana na eiserxetai stadiaka stis synqhkes ekeines poy telika qa thn odhghsoyn sthn epomenh epoxh twn pagwn - ektos kai kapoies alles dynameis kaqysterhsoyn h kai stamathsoyn ayth th diadikasia.

    Syndesmos gia thn prwtotyph episthmonikh ergasia sth dieyqynsh: http://www.sciencemag.org/cgi/content/abstract/325/5941/710


    Athens News Agency: News in ASCII Greek Directory - Previous Article - Next Article
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