This shows you the differences between the selected revision and the current version of the page.
| planets 2009/01/29 11:23 | planets 2009/02/02 13:23 current | ||
|---|---|---|---|
| Line 13: | Line 13: | ||
| * [[Is Saturn the only planet that has rings?]] | * [[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?]] | * [[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?]] | ||