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1. Planets
   Planets are bodies orbiting a star that are not stars themselves, and that are not too small. How small a body can be and still deserve to be called a planet is somewhat arbitrary: Small objects without atmospheres are called minor planets, or more commonly, asteroids. The smallest of the planets, Pluto, has a diameter of 2,500 kilometers; the largest of the asteroids, Ceres, has a diameter of 940kilometers–but some astronomers consider Pluto an asteroid.
2. Planet Mars -- Red Planet
   For decades, scientists have pondered the mystery of the waters of Mars, which once covered much of the surface of the planet: where did they go? Now Nasa chiefs are preparing to announce the discovery of an ocean frozen beneath the soil of the red planet.
3. Planet Mars -- Planet Earth
   The axis of Mars is not perpendicular to the planet's orbital plane, an imaginary plane that includes all points in the orbit. Rather, the axis is tilted from the perpendicular position. The angle of the tilt, called the planet's obliquity, is 25.19¡ for Mars, compared with 23.45¡ for Earth. The obliquity of Mars, like that of Earth, causes the amount of sunlight falling on certain parts of the planet to vary widely during the year. As a result, Mars, like Earth, has seasons.
4. Pluto -- Planets
   Pluto is the only dwarf planet to have once been entirely owned by the Walt Disney Corporation. Walt Disney is actually very alive and owns parts of Australia and owns the drug smuggling country of Colombia. Pluto is currently owned by Oprah. However, the supreme Chancellor of Pluto is Ann Coulter. The first man to walk on pluto was Hugh Laurie.
5. Earth -- Planets
   The Earth is America's starter planet, and nobody else's. It was created by God for this sole purpose. People born on Earth are known as Earthicans. Earth is the best planet in the alleged solar system, but there is no direct evidence of the solar system actually existing. The solar system is just another liberal conspiracy propagated by the Arts and Crafts Industry to make more children buy styrofoam balls to make into planets. It is ... "harmless mostly harmless".
6. Venus -- Planets
   Venus was the first planet to be observed by a passing spacecraft. The unmanned U.S. spacecraft Mariner 2 passed within 21,600 miles (34,760 kilometers) of Venus on Dec. 14, 1962, after traveling through space for more than 31/2 months. It measured various conditions on and near Venus. For example, instruments carried by the spacecraft measured the high temperatures of the planet.
7. Planet -- World
   Able Planet is an innovative technology company that designs and manufactures communication devices for people with all levels of hearing loss. Through innovations such as the new patent-pending LINX(TM) technology, millions of individuals with hearing loss now have the opportunity to hear more clearly, enjoy the world of communication, and be able to take advantage of more expanded opportunities in life. Able Planet has ... created the non-profit Able Kids Foundation, which is currently working with a variety of local and international organizations to bring Able Planet headphones and telephones to schools and programs for children with all levels of hearing loss around the world.
8. Asteroids -- Planets
   Asteroids are rocky objects. There are many different types of asteroid, consisting of different amounts of metal, silicate and carbon. They ... have different histories. Some of them have completely melted like the planets, whereas others have not melted but have been altered by water. This means there are a wide variety of structures both inside and on the surface of asteroids, formed by their turbulent existence.  
9. Neptune (Planet)
   Neptune emits about 2.7 times the amount of heat it absorbs from the Sun. Astronomers believe the excess heat that Neptune radiates comes from comet-like material that crashed into Neptune as the planet formed. Due to the force of gravity in the planet’s interior, the material in Neptune’s core is continually being pulled inward. As the material compacts, the molecules strike each other more frequently and with more force, releasing energy in the form of heat. Neptune’s core, which reaches temperatures of 5149°C (9300°F), is hotter than the Sun’s surface.
10. Mars -- Planets
    Amazingly, the two Mars rovers, Spirit and Opportunity, have been working diligently on the surface of the Red Planet for almost four years now. So far, Opportunity has grabbed most of the spotlight, finding evidence for past water on Mars within months after landing on the smooth plains of Meridiani Planum. While Spirit has been working just as hard, if not harder, climbing hills and traversing the rocky terrain of Gusev Crater, she hasn’t yet caused quite the stir that her twin has. But now, a recent discovery by Spirit at an area called Home Plate has researchers puzzling over a possible habitat for past microbial organisms.

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