In outer space there is utter silence. There are no sounds of traffic jams or thunderstorms or crashing waves. No buzzing bees or babies crying. Just silence. In this experiment, you will discover why empty space is void of sound.

Kids learn about telescopes in the science of physics including lenses, mirrors, refracting, reflecting, the history, and the Hubble Space Telescope.

Read about the life of Isaac Newton and his many accomplishments in physics, mathematics, optics, and religious study, and how his discoveries helped in space research.

What is known about gravity? Find out Einstein's thoughts on gravity in a brief overview of this mysterious force.