Kainat mein aam maddah jaise sitare, sayyare aur gas sirf 15 fisad hain. Baqi 85 fisad maddah aisi cheez se bana hai jise hum dekh nahi sakte, jise science dan Dark Matter kehte hain.
1930 ki dahai mein Swiss astronomer Fritz Zwicky ne dekha ke Coma Cluster ki galaxies bohat tezi se ghoom rahi hain. Aam hisab se unhein bikhar jana chahiye tha, lekin koi ghair maraye taqat unhein bandhe hue thi. Baad mein 1970 mein Vera Rubin ne spiral galaxies par research karke is baat ko mazeed pukhta kiya.
Dark Matter roshni ko na jazb karta hai aur na hi reflect karta hai. Ye sirf apni gravity ki wajah se pehchana jata hai, jisse yeh door ki roshni ko mor deta hai jise gravitational lensing kehte hain.
Bari bari laboratories jese CERN aur zameen ke gehre tehkano mein sensors lagaye gaye hain, magar aaj tak iska koi seedha zarrat nahi mila. Ye kainat ki physical science ka sabse bara khula sawal bana hua hai.
#DarkMatter #Kainat #SpaceMystery #UrduScience #Astronomy #UniverseFacts #Cosmology
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