Earth Articles

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earthgravity

All about Earth's Gravity

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Earth's gravitational field at the surface is approximately 9.8…
greenhouse

Frequently Made Errors in Climate Science - The Greenhouse Effect

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1.What is meant by "The Greenhouse Effect"? Many gases, such…
gravity

Understanding the General Relativity View of Gravity on Earth

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Often students have difficulty reconciling the General Relativity…
earth year

Measuring How Many Days Are in a Year

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How many days are there in a year? Ask pretty much anyone and…