It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth.

Wilhelm Rontgen won the first Nobel Prize for physics for discovering X-rays in 1895.

The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.

The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

The Australian billygoat plum contains 100 times more vitamin C than an orange.

The thermometer was invented in 1607 by Galileo.

Males produce one thousand sperm cells each second - 86 million each day.

If our Sun were just inch in diameter, the nearest star would be 445 miles away.