STELLAR CHEMISTRY
The paths of photons are random – but coordinated
Copenhagen, Denmark (SPX) Dec 24, 2012 -Researchers at the Niels Bohr Institute have demonstrated that photons (light particles) emitted from light sources embedded in a complex and disordered structure are able to mutually coordinate their paths through the medium. This is a consequence of the photons’ wave properties, which give rise to the interaction between different possible routes. The results are published in the scientific jo … more

STELLAR CHEMISTRY
How to look young when you’re not – Stars reveal the secret of aging well
Paris (ESA) Dec 24, 2012 – Some people are in great shape at the age of 90, while others are decrepit before they’re 50. We know that how fast people age is only loosely linked to how old they actually are – and may have more to do with their lifestyle. A new study with the NASA/ESA Hubble Space Telescope reveals that the same is true of star clusters. Globular clusters are spherical collections of stars, tightly bo …more

EXO WORLDS
Spiral Structure of Disk May Reveal Planets
Tokyo, Japan (SPX) Dec 24, 2012 – An international team of astronomers has used HiCIAO (High Contrast Instrument for the Subaru Next Generation Optics) (Note 1) to observe a disk around the young star SAO 206462. They succeeded in capturing clear, detailed images of its disk, which they discovered has a spiral structure with two discernable arms. On the basis of their observations and modeling according to spiral density w …more

DEEP IMPACT
Meteor shower to peak early Saturday
New York (UPI) Dec 21, 2012 – An annual December meteor show known as the Ursid shower will reach its peak in the early morning hours Saturday, astronomers say. The shower, which usually coincides with the winter solstice, is named the Ursids because it appears to fan out from the vicinity of a star in the constellation of Ursa Minor. The Ursid shower is less well-known than the Geminid shower, also in Decemb … more