earth's rotation
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Scientists Studying Ancient Eclipse to Learn the History of Earth's Rotation
Ancient records of solar eclipses show how the Earth's rotation has altered. To find total solar eclipses, historians combed through texts from the fourth century.
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![Retention Ponds, Wetlands Can Decrease Particle Pollution in Aquatic Environment by 75% [Study]](https://1471793142.rsc.cdn77.org/data/thumbs/full/70200/280/157/50/40/retention-ponds-wetlands-can-decrease-particle-pollution-in-aquatic-environment-by-75-study.jpg)
Retention Ponds, Wetlands Can Decrease Particle Pollution in Aquatic Environment by 75% [Study]
