essay on sun in hindi
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Suraj ek taara hai aur solar system mein sabse bada cheej hai. Ek tarah se hum yeh bhi bol sakte hain ki suraj solar parivaar ka mukhiya hai. Suraj asliyat mein ek bada ball hai jisme plasma saara vakth ubal rahe hain. Suraj anya sitaro ki tulne mein bada aur ujwal prathith hota hai kyunki yeh pruthvi ki aur nazdeek hai. Isi liye pruthvi ke sabse nazdeek sitara suraj hai. Yeh pruthvi se 150 * 106 kilometer ki duri par hai, aakar mein lagbag pruthvi se 109 guna bada hai aur pruthvi ke rup mein 330000 baar bhaari hai. Suraj ki satah par tapmaan lagbag 6000 degree celcius hai. Agar suraj nahin gatith hota toh kayi cheejen moujud nahi hogi, jaise prakash sansleshan ki prakriya nahi hogi, oxygen nahi banaya ja saktha, isi liye jeevan moujud nahi kiya ja saktha. Suraj pruthvi sahith solar pranali ke sabhi sadasyon ke liye garmi aur prakash urja ka mukhya sroth hai. Suraj do alag parabaingani vikiran ka uthpadan kartha hai - UVA aur UVB. Suraj kayi maynon mein pruthvi par jeevan jaari lagne ke liye prabhavat hai.
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