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| planets 2009/01/16 11:35 | planets 2009/02/02 13:23 current | ||
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| - | ====== Planets ====== | + | ====== Planets, Asteroids and Comets ====== |
| + | * [[Why do the outer gas giant planets rotate faster than the inner planets?]] | ||
| + | * [[Why is Mars red?]] | ||
| + | * [[Can you deflect an asteroid with vibrations?]] | ||
| + | * [[Do all comets approach the Sun along the plane of the ecliptic?]] | ||
| * [[How large is our solar system is when compared to other known solar sytems?]] | * [[How large is our solar system is when compared to other known solar sytems?]] | ||
| * [[Why don't all planets have one moon like the earth? How do other planets acquire more than one moon?]] | * [[Why don't all planets have one moon like the earth? How do other planets acquire more than one moon?]] | ||
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| * [[What is Planet X? Is it true it has been observed/detected?]] | * [[What is Planet X? Is it true it has been observed/detected?]] | ||
| * [[What is the best landing place for a rover on Mars?]] | * [[What is the best landing place for a rover on Mars?]] | ||
| + | * [[Why do some planets have reverse rotation?]] | ||
| + | * [[What is the easiest way to measure the distance between the earth and the sun?]] | ||
| + | * [[Is Saturn the only planet that has rings?]] | ||
| + | * [[Can there be another planet in our solar system in the same orbit as earth but on the opposite side of the sun?]] | ||
| + | * [[Exactly how does a comet's tail form? Why doesn't a comet's gravity hold onto the gas?]] | ||