Imagine spinning on a chair with your arms stretched out, you spin slowly. When you pull your arms in, you spin faster. The Earth does something similar! It wobbles because of things like the moon and other planets tugging at it, just like how you tug at the chair. This makes days slightly longer or shorter sometimes.
Examples
- Spinning on a chair with your arms out makes you wobble, the Earth does the same!
- Like how a top wobbles as it spins slowly
- The Moon tugs on the Earth like a giant invisible string
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See also
- What Causes the Northern Lights?
- How Does a Mirror Work Exactly?
- How Does Gravity Affect the Moon’s Orbit?
- What Causes a ‘Golden’ Sunset or Sunrise?
- How Does Gravity Affect Space Travel?
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Categories: Physics · earth rotation,wobble,astronomy