চাঁদে laser light মারলে সেটা চাঁদে পৌঁছে যাবে?🤔
1:07
YouTubeMr. BonGrow Science
চাঁদে laser light মারলে সেটা চাঁদে পৌঁছে যাবে?🤔
Can a laser beam fired from Earth actually reach the Moon? 🌕🔦 This video explains the fascinating science behind why ordinary laser light spreads out and becomes impossible to detect over the Moon’s 384,400 km distance — and how NASA solved this problem in 1969 by placing special retroreflectors on the Moon during the Apollo missions ...
3.8M views1 month ago
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