News tagged with infrared light

Spitzer discovers young stars with a 'hula hoop'

(Phys.org) —Astronomers using NASA's Spitzer Space Telescope have spotted a young stellar system that "blinks" every 93 days. Called YLW 16A, the system likely consists of three developing stars, two of ...

Jul 31, 2013
4.3 / 5 (6) 0 | with audio podcast

Organic crystals put laser focus on magnetism

(Phys.org) -- In the first successful experiment of its type at SLAC's Linac Coherent Light Source, scientists used terahertz frequencies of light to change the magnetic state of a sample and then measured ...

Jul 27, 2012
5 / 5 (5) 0 | with audio podcast

NGC 3344: Hubble sees galaxy in a spin

(Phys.org)—NGC 3344 is a glorious spiral galaxy around half the size of the Milky Way, which lies 25 million light-years distant. We are fortunate enough to see NGC 3344 face-on, allowing us to study its ...

Oct 22, 2012
5 / 5 (5) 4 | with audio podcast

Galaxy's Ring of Fire

Johnny Cash may have preferred this galaxy's burning ring of fire to the one he sang about falling into in his popular song. The "starburst ring" seen at center in red and yellow hues is not the product of ...

May 18, 2013
5 / 5 (5) 3 | with audio podcast

Lightest exoplanet imaged so far?

(Phys.org) —A team of astronomers using ESO's Very Large Telescope has imaged a faint object moving near a bright star. With an estimated mass of four to five times that of Jupiter, it would be the least ...

Jun 03, 2013
4.8 / 5 (5) 0 | with audio podcast

Nanocrystal infrared LEDs can be made cheaply

(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...

May 10, 2012
4.4 / 5 (5) 0 | with audio podcast

Physicists confine electrons inside nano-pyramids

(Phys.org)—Quantum dots are nanostructures of semiconducting materials that behave a lot like single atoms and are very easy to produce. Given their special properties, researchers see huge potential for ...

Sep 28, 2012
4.4 / 5 (5) 0 | with audio podcast