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Your search for "planet" returned 2,552 results
Can a planet float on water?
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The floating planet theory states that a planet that is light enough should be able to float on water. Learn about the floating planet theory.
How 'Planet Earth' Works
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'Planet Earth' is one of the most comprehensive and wide-reaching documentaries the Discovery Channel has ever produced. Take a look inside 'Planet Earth.'
Terrestrial Planets Are the Rocky Planets of the Solar System
science.howstuffworks.com/terrestrial-planets.htm
Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?
Exploring Jovian Planets, the Titans of Our Solar System
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The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?
Exploring the Outer Planets of the Solar System
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Explore the mysteries of the outer planets: Jupiter, Saturn, Uranus, and Neptune. Dive deep into their atmospheres, moons, and unique phenomena.
Why Is Pluto No Longer Considered a Planet?
science.howstuffworks.com/pluto-planet.htm
On Aug. 24, 2006, the International Astronomical Union (IAU), an organization of professional astronomers, passed two resolutions that collectively revoked Pluto's planetary status.
How Will We Colonize Other Planets?
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We've been cruising to and from the International Space Station since 2000. Isn't it about time we started moving on to other space destinations and establishing human outposts?
Why Did It Take So Long to 'Discover' Planet Nine?
science.howstuffworks.com/discover-planet-nine.htm
A massive planet seems to have been lurking on the edge of our solar system for some time now. Learn more about the Ninth Planet at HowStuffWorks Now.
The Four Planets With Rings Might Surprise You
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Move over Saturn. There are other planets in the solar system surrounded by ring systems.
What Are the Solar System Planets in Order?
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You know Saturn and Venus and Mars. Can you put the eight planets of the solar system in the correct order? There are several ways to do this.