Neptune twenty years later Aug 28, 2009
It has now passed through the termination shock the outermost layer of the Sun s magnetic domain, where the solar wind slams into the radiation field of interstellar space, and in about 296,000 years it will pass within 4. 3 light years of Sirius, before continuing into the vast darkness, possibly long after we are gone. (Astronomy Now Online)
* When cancer gets in the way of family planning Apr 28, 2009
Adolescent girls facing the prospect of pelvic radiation can have their ovaries moved temporarily outside the radiation field. Or ovarian tissue can be removed and frozen in hopes that research now being pursued will one day allow viable eggs to be developed in the laboratory. (Taipei Times, Taiwan -- Sports)
Cool Stars: Different Life-Forming Chemicals Apr 10, 2009
Twice the radiation field. Astronomers suggest that planets may easily form around certain types of twin. (Science Daily)
One Of Brightest Gamma-Ray Bursts Ever Seen Apr 4, 2009
In the fourth scenario, the polarisation is imparted through interactions between the electrons in the jet and photons in the existing radiation field. G. (Science Daily)