Cúmulo de galaxias: Diferenzas entre revisións

[[Ficheiro:14-283-Abell2744-DistantGalaxies-20141016.jpg|600px|miniatura|center|[[Abell 2744]] Cúmulo de galaxias. Galaxias extremadamente distantes vistas con [[lente gravitacional]] (16 de outubre de 2014).<ref name="NASA-20140107">{{cite news |last1=Clavin |first1=Whitney |last2=Jenkins |first2=Ann |last3=Villard |first3=Ray |title=NASA's Hubble and Spitzer Team up to Probe Faraway Galaxies |url=http://www.jpl.nasa.gov/news/news.php?release=2014-007 |date=7 January 2014 |work=[[NASA]] |accessdate=8 January 2014 }}</ref><ref name="NASA-20141016">{{cite web |last=Chou |first=Felecia |last2=Weaver |first2=Donna |title=RELEASE 14-283 - NASA’s Hubble Finds Extremely Distant Galaxy through Cosmic Magnifying Glass |url=http://www.nasa.gov/press/2014/october/nasa-s-hubble-finds-extremely-distant-galaxy-through-cosmic-magnifying-glass/ |date=16 October 2014 |work=[[NASA]] |accessdate=17 October 2014 }}</ref>]]