News tagged with light wavelength

Why are so many fairy-wrens blue?

(Phys.org)—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly ...

Nov 01, 2012 4.7 / 5 (3) 0 | with audio podcast

Asteroid zips by Orion nebula

(Phys.org) —This image shows the potentially hazardous near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula. NEOWISE, the asteroid-hunting portion of the Wide-field ...

Aug 26, 2013 4 / 5 (3) 0

'Pacman' nebula gets some teeth

(PhysOrg.com) -- To visible-light telescopes, this star-forming cloud appears to be chomping through the cosmos, earning it the nickname the "Pacman" nebula, like the famous Pac-Man video game that debuted ...

Oct 27, 2011 5 / 5 (2) 0