October 31, 2014

31.05.11: Cosmic Distance Record Broken?

GRB 090429B as seen by Swift. (Credit: NASA/Swift/Stefan Immler).

Last week, a new possible record smasher was announced in the realm of cosmology. It seems that every few months, we get another “largest, biggest, farthest” in the world of gamma-ray bursters. This one, designated GRB 090429B was discovered by NASAs Swift satellite and recent photometric calculations place its redshift at z=9.4, which would make it about 13.14 billion light years distant. [Read more...]

January 2009: News & Notes.

LHC

(What we didn’t get for Xmas… the Largon Hadron Collider. (Credit: CERN/LHC Consortium)

Resuming the LHC: The Large Hadron Collider is set to resume start up tests early in the spring of 2009. This will come after its winter maintenance cycle, as well as investigation into a helium leak believed to have been caused by a faulty electrical connection during the otherwise successful September 10th startup. [Read more...]