Astrophilicworld

This. Video will show how big our universe is and the fact is, in our universe there are billion and trillion of galaxies and bit the scientist said that they are only 28 percent. Which we called "DARK MATTER" and 68 matter which we called it "DARK ENERGY" AND REMAINING 4 PERCENT WHICH SCIENTIST HAS DISCOVERD. NOW FROM THIS INFORMATION YOU CAN CONCLUDE THAT HOW BIG THIS UNIVERSE And may be there are far more universe but nobody knows. I hope this video will force your mind to think on that how big is our universe 😄😊

This video will help anyone to understand when and why NASA started . I'm gonna give you some brief information. NASA stand for :National Aeronautics and Space Administration. NASA first start in JULY 29,1958. How did NASA STARTS? NASA was created largely in response to the Soviet launching of Sputnik in 1957. NASA headquarters located in (Washington, D.C.) Who found NASA ? In July 1958, Eisenhower had signed the National Aeronautics and Space Act, creating the agency, which opened for business on Oct. 1, 1958

For better understanding this video and also for increasing your knowledge I want to tell a little bit about the light year. What is light year ? Basically Light-year is the distance light travels in one year. And 1 light year equals to 1 light year = 9460730777119.56km/9.46 Trillion km If you love my video plz like and comments And make sure you can also share your opinion .