Every hour the Universe expands by a billion miles in all directions.

A thimbleful of a neutron star would weigh over 100 million tons.

In 5 billion years the Sun will run out of fuel and turn into a Red Giant.

Alfred Nobel invented dynamite in 1866.

To escape the Earth's gravity a rocket need to travel at 7 miles a second.

The wingspan of a Boeing 747 is longer than the Wright brother's first flight.

There are more living organisms on the skin of each human than there are humans on the surface of the earth.

Somewhere in the flicker of a badly tuned TV set is the background radiation from the Big Bang.