News tagged with light wavelength

A cannibalistic galaxy with a powerful heart

Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and ...

Apr 04, 2012
4.8 / 5 (6) 10

Making sharper X-rays

A variety of imaging technologies rely on light with short wavelengths because it allows very small structures to be resolved. However, light sources which produce short, extreme ultraviolet or x-ray wavelengths ...

Mar 09, 2012
5 / 5 (5) 0

Young stars flicker amidst clouds of gas and dust

(PhysOrg.com) -- Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. ...

Feb 29, 2012
5 / 5 (2) 3 | with audio podcast

APEX turns its eye to dark clouds in Taurus

(PhysOrg.com) -- A new image from the APEX (Atacama Pathfinder Experiment) telescope in Chile shows a sinuous filament of cosmic dust more than ten light-years long. In it, newborn stars are hidden, and dense ...

Feb 15, 2012
5 / 5 (3) 1

Do black holes help stars form?

(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...

Feb 03, 2012
4.5 / 5 (6) 1 | with audio podcast

Elements of ExoPlanets

By looking at the wavelengths of light from nearby stars, researchers have determined the abundance of certain elements for more than a hundred stars. Trace elements in such stars may influence their habitable ...

Feb 02, 2012
4.9 / 5 (8) 0 | with audio podcast