News tagged with wavelength

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First 'bone' of the Milky Way identified

(Phys.org)—Our Milky Way is a spiral galaxy—a pinwheel-shaped collection of stars, gas and dust. It has a central bar and two major spiral arms that wrap around its disk. Since we view the Milky Way from ...

Jan 08, 2013
4.4 / 5 (8) 4 | with audio podcast

Herschel confirms the origin of cosmic dust

(Phys.org)—The Herschel space observatory has produced an intricate view of the remains of a star that died in a stellar explosion a millennium ago. It has provided further proof that the interstellar dust ...

Jan 08, 2013
5 / 5 (5) 8 | with audio podcast

Video: Spurting plasma

A stream of plasma burst out from the sun, but since it lacked enough force to break away, most of it fell back into the sun (May 27, 2014).

Jun 17, 2014
4.8 / 5 (4) 0

NASA image: Giant landform on Mars

(Phys.org) —Sandy landforms formed by the wind, or aeolian bedforms, are classified by the wavelength—or length—between crests. On Mars, we can observe four classes of bedforms (in order of increasing ...

Jun 06, 2014
4.8 / 5 (4) 0

Organic photodiodes for sensor applications

Powerful, inexpensive and even flexible when they need to be, organic photodiodes are a promising alternative to silicon-based photodetectors. They are used to improve light sensitivity in cameras and to ...

May 14, 2014
5 / 5 (2) 1