light speed : Definition, Usages, News and More
- n the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
News & Articles
- Powerful Jets Blowing Material out of Galaxy
Astronomers using a worldwide network of radio telescopes have found strong evidence that a powerful jet of material propelled to nearly light speed by a galaxy's central black hole is blowing massive amounts of gas out of the galaxy.
Sept. 6, 2013 - SpaceRef
- Black Hole Jets Expelling Gas From Host Galaxy
April Flowers for redOrbit.com - Your Universe Online A worldwide network of radio telescopes has allowed astronomers to find strong evidence that a powerful jet of material, propelled to nearly light speed by the central black hole of a galaxy, is blowing massive amounts of gas out of the host galaxy. The scientists say the process is limiting the growth of the black hole and the rate of star ...
Sept. 6, 2013 - redOrbit
- Echo Niner tactical style camera accessories
Do you take photos in a hot zone (or just want to look like you do)? If so, Echo Niner has some camera accessories and related products you may want to check out. Offering several camera straps, from the spartan Light Speed to the decked-out Dee Lux (pictured), as well as accessories like the Mini […]
Sept. 6, 2013 - The Gadgeteer