News tagged with gravitational lensing

'Pandora's Cluster' seen by Spitzer

This image of galaxy cluster Abell 2744, also called Pandora's Cluster, was taken by the Spitzer Space Telescope. The gravity of this galaxy cluster is strong enough that it acts as a lens to magnify images of more distant ...

dateSep 29, 2016 in Astronomy
shares32 comments 1

Five myths about gravitational waves

The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had detected gravitational waves, which are ripples in space-time. Initially ...

dateSep 07, 2015 in Astronomy
shares106 comments 4

Dark matter is darker than once thought

This panel of images represents a study of 72 colliding galaxy clusters conducted by a team of astronomers using NASA's Chandra X-ray Observatory and Hubble Space Telescope. The research sets new limits on how dark matter ...

dateMar 27, 2015 in
shares41 comments 18