Different companies use different things for the center but at the bottom of the page from this link shows you the most common ball types. http://www.Golf.vonabercron.com/knowledge.htm just scroll down till you find the four types of golf balls. They each have different insides.
Most golf ball are made of plastic inside and rubber outside.
Nothing.
The center of gravity of a symmetrical golf ball is typically located at its geometric center. This point represents the average position of the ball's mass and affects the ball's balance and stability during flight.
A Golf Ball
you are suppose to stand about 6 inches back from the center of your body.
Golf Ball
It is a golf ball that has the logo of a resort/golf course printed on the ball.
You can hit a golf ball with a golf club.
A golf ball.
That would be a golf ball.
There used to be a ball called the Titleist Tour Balata, it was a very soft golf ball, the core was a highly pressurized rubber ball with some oil in the center. This ball was last sold around 2000. The cores are now solid.
Any distance golf ball should be more durable and less expensive then most other types of golf balls. They are made with two layers and are hallow in the center which makes them less expensive and yet durable.