Female leopards give birth to a little of two or three cubs at a time. By the time a cub is two years old it will leave the company of its mother and live on their own.

French astronomer Adrien Auzout had once considered building a telescope that was 1,000 feet long in the 1600s. He thought the magnification would be so great, he would see animals on the moon.

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

AMAZING FACTS