Animated illustration of Soviet Union's 1957 Sputnik mission

The video describes the process of reaching the proper altitude to launch a 23-inch sphere weighing 184 pounds into orbit around Earth at 560 miles. This event marked the beginning of a new era in space exploration and civilization.

What happens to the 23 inch sphere after reaching the proper altitude?

What is the weight of the sphere mentioned in the text?

Describe the event that occurs when the sphere bursts.

At what altitude does the sphere orbit around the Earth?

What significant change began for civilization according to the text?