News tagged with infrared light

Image: A storm of stars in the Trifid nebula

(Phys.org) —A storm of stars is brewing in the Trifid nebula, as seen in this view from NASA's Wide-field Infrared Survey Explorer, or WISE. The stellar nursery, where baby stars are bursting into being, ...

Jan 30, 2014
4.6 / 5 (7) 0 | with audio podcast

Laser-induced damage in focus

The transformation of infrared light to a different wavelength, such as visible light, is important in many applications. Some of the most efficient semiconductor lasers operate in the infrared region of ...

Jan 17, 2014
5 / 5 (2) 0

How global warming works, in 35 words, or 52 seconds

Earth transforms sunlight's visible light energy into infrared light energy, which leaves Earth slowly because it is absorbed by greenhouse gases. When people produce greenhouse gases, energy leaves Earth even more slowly ...

Jan 06, 2014
3.6 / 5 (23) 102

Image: March of asteroids across dying star

(Phys.org) —In an unexpected juxtaposition of cosmic objects that are actually quite far from each other, a newly released image from NASA's Wide-Field Infrared Survey Explorer (WISE) shows a dying star, ...

Dec 13, 2013
4.9 / 5 (7) 0 | with audio podcast

Image: WISE catalog just got wiser

NASA's WISE mission has released a new and improved atlas and catalog brimming with data on three-quarters of a billion objects detected during two full scans of the sky.

Nov 15, 2013
4.8 / 5 (6) 2 | with audio podcast

Solar cells utilize thermal radiation

Thermal radiation from the sun is largely lost on most silicon solar cells. Up-converters transform the infrared radiation into usable light, however. Researchers have now for the first time successfully ...

Nov 04, 2013
4.7 / 5 (6) 1

'Witch Head' brews baby stars

(Phys.org) —A witch appears to be screaming out into space in this new image from NASA's Wide-Field Infrared Survey Explorer, or WISE. The infrared portrait shows the Witch Head nebula, named after its ...

Oct 31, 2013
5 / 5 (6) 0