Physics and Astronomy News Archive: January 2011

Image: Swift Survey Finds 'Missing' Active Galaxies
Swift Survey Finds 'Missing' Active Galaxies
Source: NASA   Posted: 1/27/11
An international team of scientists using data from NASA's Swift satellite confirms the existence of a largely unseen population of black-hole-powered galaxies.

Image: Runaway Star Plows Through Space
Runaway Star Plows Through Space
Source: NASA/JPL   Posted: 1/25/11
A massive star flung away from its former companion is plowing through space dust. The result is a brilliant bow shock, seen here as a yellow arc in a new image from NASA's Wide-field Infrared Survey Explorer, or WISE.

Image: Hidden in plain sight
Hidden in plain sight
Source: MIT   Posted: 1/25/11
A new approach to invisibility cloaking gets much closer to the science-fiction version, using simple and inexpensive materials.

Image: Voyager Celebrates 25 Years Since Uranus Visit
Voyager Celebrates 25 Years Since Uranus Visit
Source: NASA/JPL   Posted: 1/25/11
As NASA's Voyager 2 spacecraft made the only close approach to date of our mysterious seventh planet Uranus 25 years ago, Project Scientist Ed Stone and the Voyager team gathered at NASA's Jet Propulsion Laboratory, Pasadena, Calif., to pore over the data coming in.

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