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 regular change in seasons. ...
Planetary Sciences
Jan 10, 2024
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This feature could easily be mistaken for a tree stump with characteristic concentric rings. It's actually an impressive birds-eye view into an ice-rich impact crater on Mars. Tree rings provide snapshots of Earth's past ...
Space Exploration
Jan 28, 2022
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77
The moon Hyperion tumbles as it orbits Saturn. Hyperion's (168 miles or 270 kilometers across) spin axis has a chaotic orientation in time, meaning that it is essentially impossible to predict how the moon will be spinning ...
Space Exploration
Dec 6, 2016
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Using satellite data on how water moves around Earth, NASA scientists have solved two mysteries about wobbles in the planet's rotation—one new and one more than a century old. The research may help improve our knowledge ...
Earth Sciences
Apr 11, 2016
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280
Spintronics is a form of signal processing similar to that used in traditional electronics, but it takes advantage of a property of electrons known as spin. Spin is often visualized as an arrow about which the electron rotates, ...
General Physics
Jan 30, 2013
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(Phys.org)—Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a series of radar data images of a three-mile-long (4.8-kilometer) asteroid that made its ...
Space Exploration
Dec 17, 2012
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