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What is tidal locking?
Quick Answer
Tidal locking is when a moon or planet rotates once in the same time it orbits, so the same side always faces its partner.
The Full Story
Tidal locking happens because gravity gradually slows and synchronizes a bodyβs rotation. The best-known example is the Moon, which always keeps nearly the same hemisphere facing Earth. Tidal locking is common for moons close to planets and for some exoplanets orbiting very near their stars. It does not mean the far side is dark forever; it still gets sunlight as the body orbits.
Key Facts
1.The Moon is tidally locked to Earth
2.Tidal locking is caused by gravitational interactions over time
3.Some exoplanets may be tidally locked to their stars
YouTube Angle
Suggested video title for this topic:
"Why does the Moon always show us the same face?"
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