Earth's rotation is gradually slowing down due to friction between the rotating planet and its oceans, which transfers rotational energy to the Moon, causing the Moon to slowly move farther away from Earth; this means that in the past, Earth spun faster and days were shorter, while the Moon was closer to Earth.
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Earth's Slow Rotation Days Longer, Moon Further Away #shorts #earthrotation #explained #moon #tides本站添加:
As Earth rotates, the oceans move.
Friction acts.
Energy is slowly transferred, and the result is an incredibly slow process.
Earth's rotation is gradually slowing down.
The days are becoming longer.
But in physics, that energy does not simply disappear.
As Earth loses some of its rotational energy, the moon gains orbital energy.
And because of that, the moon slowly moves farther away.
So, if days were shorter in the past, Earth must have been spinning faster.
And if Earth was spinning faster, the moon must have been closer.
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