This is one of the two questions I get asked a lot (the other one is: do aliens exist?) Both are very good questions!
https://www.space.com/37645-curious-kids-what-started-the-big-bang.html
This is one of the two questions I get asked a lot (the other one is: do aliens exist?) Both are very good questions!
https://www.space.com/37645-curious-kids-what-started-the-big-bang.html