Physics and Astronomy News Archive: December 2009

Image: Saturn's Mysterious Hexagon Emerges from Winter Darkness
Saturn's Mysterious Hexagon Emerges from Winter Darkness
Source: NASA/JPL   Posted: 12/11/09
Cameras aboard NASA's Cassini spacecraft have captured the most detailed images yet of the intriguing hexagon shape crowning the planet.

Image: Physicists Find Reappearing Quantum Trios
Physicists Find Reappearing Quantum Trios
Source: Rice U   Posted: 12/11/09
Experimental evidence found for a universal quantum mechanism that allows trios of particles to appear and reappear at higher energy levels in an infinite progression.

Image: Suzaku Catches Retreat of a Black Hole's Disk
Suzaku Catches Retreat of a Black Hole's Disk
Source: NASA   Posted: 12/11/09
Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.

Image: Solid Material Made Transparent to Terahertz Waves
Solid Material Made Transparent to Terahertz Waves
Source: Rice U   Posted: 12/11/09
Plasmonic material that would, with adjustments to its temperature and/or magnetic field, either stop a terahertz beam cold or let it pass completely was discovered.