I was watching a Vsauce video and learned that any two objects, like two baseballs, are attracted to each other because of their mass, and the bigger the mass, the more gravity an object has. What does mass have to do with gravity, and what causes gravity? Why does something just attract other things around it?
In: Physics
Newton : Any two mass in the universe pull each other with a force called gravity.
Einstein: Mass bends the space time fabric and the things circles around it falls into it.
Our sun’s mass is itself 99.8% of everything in our solar system.
What’s space-time fabric made up of ? Not sure. They call it waves. Like concentric ripples in a river.
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