News tagged with gravitational lensing

'Cosmic mirages' confirm accelerated cosmic expansion

(Phys.org) -- An international team of researchers led by Masamune Oguri at Kavli IPMU and Naohisa Inada at Nara National College of Technology conduced an unprecedented survey of gravitationally lensed quasars, ...

Apr 11, 2012
4.9 / 5 (9) 20 | with audio podcast

Astronomers discover an unusual cosmic lens

Astronomers at the California Institute of Technology (Caltech) and Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland have discovered the first known case of a distant galaxy being ...

Jul 16, 2010
4.5 / 5 (23) 9 | with audio podcast

Weak Lensing Gains Strength

(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, ...

Jan 19, 2010
4.7 / 5 (7) 8 | with audio podcast