News tagged with light wavelength

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

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