News tagged with spectrum

Looking at Jupiter's radio frequencies

In the visible spectrum, Jupiter is a bright, star-like point in the night sky. Viewing it with the naked eye, it would be easy to confuse it with a star except for the fact that it doesn't twinkle. At radio frequencies ...

dateSep 10, 2014 in Space Exploration
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Video: Sprites, gravity waves and airglow

Look! Fast! Sprite lightning occurs only at high altitudes above thunderstorms, only last for a thousandth of a second and emit light in the red portion of the visible spectrum, so they are really difficult to see. But one ...

dateSep 05, 2014 in Earth Sciences
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Nano-pea pod model widens electronics applications

Periodic chain-like nanostructures are widely used in nanoelectronics. Typically, chain elements include the likes of quantum rings, quantum dots, or quantum graphs. Such a structure enables electrons to move along the chain, ...

dateSep 04, 2014 in Nanophysics
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Why NASA studies the ultraviolet sun

( —You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Solar physicists must consequently rely on spacecraft that can observe this invisible light ...

dateAug 21, 2014 in Space Exploration
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