E-commerce – commerce conducted over the Internet, most often via the World Wide Web. E-commerce can apply to purchases made through the Web or to

Science is important to most people living in the modern world for a number of reasons. In particular, science is important for world peace and

The second planet from the sun bakes under twice as much solar radiation as Earth and reaches temperatures of 895 degrees Fahrenheit (480 degrees Celsius).

Though a satellite of Earth, the Moon is bigger than Pluto. Some scientists think of it as a planet (four other moons in our solar

Made of dust, ice, carbon dioxide, ammonia and methane, comets resemble dirty snowballs. You may remember them as blurry smudges in the sky. Comets orbit

Jupiter was believed by Mesopotamians to be a wandering star placed in the heavens by a god to watch over the night sky. The fifth

On April 12 every year the Russian people celebrate Cosmonautics Day in commemoration of the first space flight in the world which was made by

Mankind always dreamed of overcoming gravitation and reaching other planets. But it was only in the 1960ies that this dream was to become reality. On

We, humans, live on the Earth. And our planet Earth is surrounded by space. The sky is what we see of space. There are billions

P 1 of 41234