News tagged with gravitational lensing

'Space warps' project needs your help

(Phys.org) —Astronomers are asking volunteers to help them search for "space warps." More commonly known as "gravitational lenses," these are rare systems with very massive galaxies or clusters of galaxies that bend light ...

May 08, 2013 5 / 5 (3) 0

Dark matter core defies explanation

(PhysOrg.com) -- Astronomers using data from NASA's Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters of galaxies. The result could ...

Mar 02, 2012 4.9 / 5 (26) 87 | with audio podcast