Archive: 12/17/2010

The many galaxy 'flavors'

(PhysOrg.com) -- This collage of galaxies from NASA's Wide-Field Infrared Survey Explorer, or WISE, showcases the many "flavors" that galaxies come in, from star-studded spirals to bulging ellipticals to those ...

Dec 17, 2010 4.3 / 5 (7) 1 | with audio podcast

Tangling the microscopic ladder

If a ladder had more than one rung at each step, it would look awkward and would be a bit dangerous to climb. Ladders in the microscopic world were thought to be similar in structure, having only one particle, ...

Dec 17, 2010 3 / 5 (1) 0