Uranus is a greenish-blue planet, twice as far from the Sun as its neighbor Saturn. Uranus wasn't discovered until 1781. Its discoveror, William Herschel, named it Georgium Sidus (the Georgian…
Millions of years from now, Los Angeles will be close to Alaska. Our world is moving constantly, spinning at a rate of 1,000 miles per hour. We are whirling around the sun at 20 miles per second.…
News Flash (August 24, 2006)—Pluto Demoted! Read About It Here. Pluto, named after the Roman and Greek god of the underworld, is the coldest, smallest, and outermost planet in our solar system.…
The Reproductive System The female body is incredible. The following list describes the events in a female's body that enable her to bear children.At birth, a girl baby has about 400,000 immature…
Pearly Whites Did you know: Enamel is the hardest thing in the human body. We use our teeth to bite and chew food—the first stage in digestion. Babies start to get their first teeth, called milk or…
A belt of asteroids (fragments of rock and iron) between Mars and Jupiter separate the four inner planets from the five outer planets. Jupiter, the largest planet in our solar system, was named…
(Encyclopedia) violet, common name for some members of the Violaceae, a family of chiefly perennial herbs (and sometimes shrubs, small trees, or climbers) found on all continents. Violets, including…
The Soviet cosmonaut Alexei Leonov was the first person to walk in space. On March 18, 1965, he floated outside his Voskhod 2 spacecraft for more than 10 minutes. Even though his lifeline extended…
