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Earth Science · Page 2

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What Is an Analemma? Why the Sun Makes a Figure Eight in the Sky

Learn what an analemma is, why the Sun traces a figure eight over a year, and how Earth’s axial tilt, elliptical orbit, solstices and equinoxes create the pattern.

By Eze Chidiebere 1 month ago

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Why Day and Night Aren’t Exactly Equal on the Equinox

The equinox is often described as the day of 12 hours of daylight and 12 hours of darkness. In reality, the Sun’s visible disc, atmospheric refraction and latitude make the balance only approximate.

By Eze Chidiebere 1 month ago

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Ocean Currents Move More Than Just Water: How They Shape Climate and Life on Earth

Ocean currents do far more than move seawater. Driven by winds, Earth's rotation, tides and differences in water density, they redistribute heat, bring nutrients towards the surface, influence ecosystems and weather, transport pollutants and connect distant parts of the planet.

By Eze Chidiebere 1 month ago

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Earth Science · Page 2

What Is an Analemma? Why the Sun Makes a Figure Eight in the Sky

Why Day and Night Aren’t Exactly Equal on the Equinox

Ocean Currents Move More Than Just Water: How They Shape Climate and Life on Earth

What Is an Analemma? Why the Sun Makes a Figure Eight in the Sky

Why Day and Night Aren’t Exactly Equal on the Equinox

Ocean Currents Move More Than Just Water: How They Shape Climate and Life on Earth

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