Hamara system-e-shamsi (solar system) – woh makaan jahan hum rehte hain, zameen se pare la-mehdood khala ka ek chota sa hissa. Jab hum raat ke waqt sitaron bhara aasman dekhte hain, to hamare zehan mein kayi sawalat janam lete hain. Yeh system kitna purana hai? Is ki ibtida (origin) kaise hui? Aur sab se ahem, woh kya raaz hain jo aaj bhi is ki tehniyon mein chhupe hue hain aur science daanon ko hairan kar dete hain?
Hamara system-e-shamsi taqreeban 4.6 billion saal purana hai. Is ka wajood gas aur gard ke ek baadal se shuru hua tha, jo rafta rafta simat kar sooraj aur degar sayyaray (planets) ban gaye. Is ibtidai safar mein kayi pur-asraar waqiyat pesh aaye jin ke nishaan aaj bhi mojood hain.
Kahan Gaya Woh Paanchwan Giant Planet?
Ek sab se bada raaz Neptune aur Pluto ke darmayan ki khala hai. Science daan is baat par yaqeen karte hain ke kabhi yahan ek aur bada sayyara (giant planet) mojood ho sakta tha, jise "Planet Nine" ya "Planet X" ka naam diya jata hai. Is ka wajood is liye zaroori samjha jata hai kyunkay wahan mojood choti icey objects (Kuiper Belt Objects) ki harkat aur gardish (orbit) bohot ajeeb hai. Un ki movement batati hai ke koi bohot badi cheez un par gravitational pull daal rahi hai. ... See More