April 29, 2017 - BTN

this video was about the universe

blue: understanding

red: facts

pink: questions


The galaxy has more than 500 solar systems in it and the universe contains 100’s of billions of galaxies. No scientists know how big the universe is. It is impossible to measure the universe because it is ever-expanding. Why is it ever-expanding? The answer is very hard to get, it’s not black and white. I wonder if we’ll ever find out?


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