Facts Knowing's video: What is Light Year in hindi Facts Knowing

Hi Friends In this video we will see about light years. as you know light year is measurement of universe we can not measure universe in Km or Miles that's why scientist measure the universe in Light Years. #प्रकाशवर्ष प्रकाश वर्ष क्या है? What is light year? प्रकाश वर्ष की परीभाषा क्या है? What is definition of light year? प्रकाश वर्ष का मतलब क्या है? What is meaning of light year? प्रकाश की गति कितनी है? How many speed of light travel? प्रकाश वर्ष किसे कहते है? What is called light year? Our more videos:- http://bit.ly/factsknowing_subscribe Follow me on Social Media:- https://facebook.com/factsknowing https://instagram.com/mr_vishalpawar https://twitter.com/Mr_VishalPawar Like, Share, Subscribe and Comment👍✍️ Thank you for watching..🙏 Presented by VISHAL...🙇