News tagged with ultraviolet rays

Microbes survive a year and a half in space

(PhysOrg.com) -- Bacteria collected from rocks taken from the cliffs at the tiny English fishing village of Beer in Devon, have survived on the outside surface of the International Space Station for 553 days. ...

Aug 25, 2010 report
5 / 5 (22) 7 | with audio podcast

Microwave oven cooks up solar cell material

University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used ...

May 06, 2013
4.5 / 5 (14) 1 | with audio podcast

Massive Stars Near the Galactic Center

The Central Molecular Zone (CMZ) of our galaxy is a giant complex of molecular gas and dust situated in the innermost 700 light-years of the Milky Way. Although the galaxy is over 100,000 light-years in size, ...

Aug 28, 2009
4.3 / 5 (14) 7

A new class of extragalactic objects

A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays ...

Oct 29, 2012
3.9 / 5 (14) 1 | with audio podcast

NASA supports Extreme Universe Space Observatory

The National Aeronautics and Space Administration has awarded $4.4 million to a collaboration of scientists at five U.S. universities and NASA's Marshall Space Flight Center to help build a telescope for ...

Mar 08, 2013
5 / 5 (7) 5 | with audio podcast