11-D sinf Astranomiya TEST

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Astranomiya sozinig yunoncha manos

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Osmon sferasining uning markazidan vertikal chiziqqa perpendikular qilib o‘tkazilgan tekislik bilan kesishishidan hosil bo‘lgan katta aylanasi matematik

deb yuritiladi

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Yerning o‘z o‘qi atrofida aylanishini dalilovch mayatnik nomi

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Yulduzlarning har soatda necha gradusga siljiydi

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Oy er er atrofida qancha sutkada bir marta aylanadi

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Osmon sferasi nechta yulduz turkumiga bo‘lingan

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Planetamizning yo‘ldoshi

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1.   Yerning sharsimon osmon jismi ekanligini birinchilardan bo‘lib kim aniqlagan?

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Yulduz tudasining nomi

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Al-Fargo'niyning astranomiyaga oid asari

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Planetamizning radiusini 1-bolib olchagan Alesandriyalik olim