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ZAMIN – SAYYORAI SISTEMAM OFTOBI

Sababhoi tagyiryobii faslhoi sol. Az kursi tabiatshinosi mo medonem, ki Oftob in markazi sistemai oftobii mo meboshad. Oftob kurrai otashii gudozanda meboshad, ki dar nazdikii zamin joygir shudaast.

CHunone, ki ba mo malum ast, ki dar girdi Oftob 9 sayyora davr mezanad: Merkuriy, Zuhra, Zamin, Mirrikh, Mushtary, Zuhal, Uranium, Neptun, Pluton (ras. 28.) Oftob sarchashmai garmi buda, hayotro dar zamin tamin mekunad. Ba sharofati Oftob dar Zamin darakhton mesabzand, gulho meshukufand, rudho jory meshavand va boronho meborand.

planet

Moh – yagona hamsafari tabii Zamin meboshad, ki nazdiktarin jismi osmoni ba zamin meboshad. Har moh Mahtob dar girdi Zamin purra davr zada mebaroyad. Dar natijai kashishi gravitatsionii Oftob va Moh dar uqyonusho va bahrho maddu jazr ba amal meoyad.

Nerui kashishi Moh nisbat ba Oftob 2 marotiba beshtar meboshad.

Odamon jirmhoi osmoniro mushohida karda, taqvimi oftoby va mohtobiro tartib dodand, muayan kardani vaqt va mavqei khudro dar khushky va dar bahr va inchunin muayan kardani shakl va andozai Zaminro yod giriftand

Zamin az miyoni 9 sayyorai sistemai Oftobi ba guruhi sayyorahoi khurd shomil megardad. Zamin du barobar az Utorid buzurg buda 11 marotiba az sayrai az hama buzurg – Mushtari khurd meboshad.

Zamin misli digar sayyorahoi Sistemai oftobi shakli kurraro dorad va diametri miyonai on 12 750 km-ro tashkil medihad.

Masohati sathi Zamin 510 mln 200 haz. km. kv. buda, hajmash 1,083×1012 km. kuby meboshad.

Az zamonhoi qadim, solhoi tulony sayyohon va tahqiqotchiyon zaminhoi nav, uqyonusho va bahrho, jaziraho va digar obekthoi geografiro kashf mekardand. YAke az kashfiyothoi muhim baromadani inson ba balandtarin qullai jahon – Jomalungma va furud omadan ba chuqurtarin mavzi uqyonusi jahony – chukurii Marian ba shumor meravand.

Dar holi hozir dar Zamin joyhoi noomukhta boqy namondaand, ammo dar ta- biat ravandhoi gunogune meguzarand, ki sababi tagyir dar muhiti girdu atrof megardad va in az olimon tahqiqoti doimy va daqiqro taqoho mekunad.

Inson niyozi hameshagy ba khurok, pushok, zakhirahoi tabii, kandanihoi fo- idanok dorad va hamai inhoro az Zamin daryoft mequnad va dar navbati khud ba tagyirot dar jahoni girdu atrofi mo ovarda merasonad.

Qismathoi tabii bevosita ba ravandi faoliyati hayotii inson aloqamand, doiman tagyir meyoband va in mushkiloti ekologiro ba bor meorad. Hamai in mushkiloti istifodai oqilonai zakhirahoi tabii va muhofizati muhiti zistro ba bor meorad. Bo kashfi asrori tabiat, boyad tahqiqothoi geografie burd, ki ba istifodai oqilonai tabiat ravona gardida boshand.

Savol va suporishho

  1. Kurrashaklii Zamin ba tabiat chi guna tasir merasonad?
  2. Dar borai tahqiqothoi olimoni muosir dar borai Zamin chi medoned?
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