Sentences with phrase «background galaxies provided»
Their absorption measurements using 24 faint background galaxies provided sufficient coverage of a small patch of the sky to be combined into a 3D map of the foreground cosmic web.
http://www.keckobservatory.org/ Not exact matches
The discovery provides new and exciting information that could better our understanding of some astrophysics, including how certain galaxies obtain their shapes [4]; how intergalactic space becomes enriched with heavy elements [5]; and even from where unexplained cosmic infrared background radiation may arise [6].
The galaxies only make up five percent of the cluster's mass, while dark matter makes up seventy - five percent, providing the massive gravitational influence necessary to bend and magnify the light of background galaxies.