The word sphere is defined as a three-dimensional figure that consists of all points in space equidistant from a given topic, known as the center. A sphere can be considered an object with no edges or faces and has an even surface throughout.

Spheres are found naturally in everyday objects such as apples, oranges, and other round fruits, balls used for sports like baseballs and basketballs, marbles used by children to play games, planets like Earth and Mars, which are almost perfectly spherical due to their gravitational pull on each other’s mass over time.

Mathematically, spheres have many interesting properties that make them useful for various applications, such as calculus problems involving integration or geometry questions related to the globe’s surface area. For example, if you wanted to calculate how much paint would be needed to cover a basketball, then using knowledge about spheres would help you solve this problem quickly since its circumference can easily be calculated using basic geometric formulas along with its radius (the distance from any point on its surface back towards its center).

Spheres also appear frequently within literature when authors want to create metaphors about something being perfect or complete; because they possess no imperfections nor do they have any beginning/endings – making them ideal symbols for perfectionism!