{"book":"adl0311","page":21,"text":"جغرافیه طبیعی و افریقا\n۱۸\nتعداد آنها ۳۰۰ می باشند.\nمدارات چهار سیاره که به شمس نزدیکترین هستند مدارات آنها در تناسب صحیح کشیده شده اند بعد شمس از کره زمین ۹۳ ملیون میل . در همین تناسب مدار مشتری کشیده شده - بغرض سهولت مدارات بشکل دائره کشیده شده اند ورنه مدار هر سیاره بیضوی است چون بهمین تناسب مدارات دیگران گنجائش نداشت - بصفحه دیگر مدار مریخ را معیار دانسته مدارات سیارگان باقیمانده کشیده شده .\nچونکه صفحه گذشته مدارات سیارات بعید ترین را بلحاظ تناسب مذکور حاوی شده نمی توانست لهذا بقرار تناست جدید دائره هائی جدید را می کشیم و فاصله سیاره مریخ را معیار قیاس می کنیم طوریکه در شکل گذشته فاصله عطارد را مقیاس گرفته بودیم .","chars":624,"image":"https://storage.googleapis.com/adl-page-images/adl0311/00021.jpg","first_page":1,"last_page":125,"title":"Jughrāfiyā-yi ṭabʻī va Afrīqā جغرافياى طبعى و افريقا","permalink":"https://afghanpress.org/book/adl0311/21","canvas":"https://afghanpress.org/iiif/adl0311/canvas/21","source":"https://afghanistandl.nyu.edu/books/adl0311/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0311_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}