Examples
- A big bubble popping and creating smaller bubbles around it.
- An old tree falling over and helping a seed sprout nearby.
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See also
- What If the Moon Was Made of Cheese?
- What Causes a Solar Eclipse Exactly?
- What's the Difference Between a Comet and an Asteroid?
- What If We Could Live on Mars?
- Why Do We See the Same Side of the Moon?
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Categories: Space · stars,galaxies,cosmic cycles