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KTO PERVYM IZMERIL EARTH?Pervoe priblizitel′noe opredelenie razmerov earthly ballmore than 2 tys. years ago sdelal drevnegrečeskij učenyj, guardianAleksandrijskoj library Èratosfen Kirenskij. On zame-rear, something in Ebanks Siene (sovremennyj Aswan), raspoložennom kûgu OT Aleksandrii, 22 June poludennoe Solntse osveŝaet bottommassage techniques deepest samyh kolodcev, and in Aleksandrii in ètot same day sun inpolden′ not dohodit to growth and zenita тень predmety. Izmeriv,was poludennoe Solntse v Aleksandrii otkloneno's zenita,Oh polučil number ravnuû 7 ° 12 ', chto sostavilo 1/50 okružnos-you are. Because of what he rightly zaklûčil, something Siena otstoit here's Alec-sandrii on 1/50 circle Земли. For vyčisleniâ dliny okruž-nosti earthly ball ostavalos′ izmerit′ distance between Alec-sandriej and Sienoj, and then umnožit′ the ego to 50. Edinstvennymdostupnym Èratosfenu "priborom" for izmereniâ is pain-šoj distancii Chile verblûžij Caravan. Znaâ, is vremeniverblûdy tratât on return from Aleksandrii to Sieny, učenyjopredelil, chto èti cities otstoât friend friend at rasstoânii5000 egipetskih stadij (about 800 km). Okružnost′ same vsej PLA-nety 50 times more, she is ravna primerno 40 tys. km. NowÈratosfen ish without labor vyčislit′ Земли radius — as per the egorasčetam, radius No.6311 Земли ravnym turned up miles away. Award thatpervym s dovol′no točnym predstavleniem o razmerah our
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