Recent scientific findings have revealed a startling shift in our planet’s equilibrium. The Earth’s axis has tilted by an ...

With its long days just itching to be spent by water doing nothing, summer really can be an enchanting season. As Jenny Han wrote in the young adult novel “The Summer I Turned Pretty”: “Everything ...

A typical desk globe is designed to be a geometric sphere and to rotate smoothly when you spin it. Our actual planet is far less perfect — in both shape and in rotation. Earth is not a perfect sphere.

Spring, summer, fall and winter – the seasons on Earth change every few months, around the same time every year. It's easy to take this cycle for granted here on Earth, but not every planet has a ...

Earth wobbles on its axis like a spinning top, a motion called precession. This wobble takes about 26,000 years to complete one full circle. Different stars have served as the North Star throughout ...

Earth's regular seasons are primarily due to its axial tilt (obliquity) of approximately 23 degrees, causing variations in sunlight intensity across the hemispheres throughout its orbit. This ...

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The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

To the run of men, the earth seems to rotate with trustworthy steadiness. Astronomers know better. Observed with their sharp-eyed instruments, the earth’s rotation is a wobbly business. In Nature, ...

Assistant Professor of Geography and the Environment, University of Richmond With its long days just itching to be spent by water doing nothing, summer really can be an enchanting season. As Jenny Han ...