News tagged with ultraviolet

Hubble catches a stellar exodus in action

Using NASA's Hubble Space Telescope, astronomers have captured for the first time snapshots of fledgling white dwarf stars beginning their slow-paced, 40-million-year migration from the crowded center of ...

dateMay 14, 2015 in Astronomy
shares101 comments 0

Video: Earth's ozone layer

Several decades ago, chlorofluorocarbons (CFCs) were chemicals used in hairspray, deodorants, foam products, air conditioners and more. In 1974 chemists Sherwood Rowland and Mario Molina published a paper ...

dateApr 07, 2015 in Environment
shares12 comments 0