TUDOMÁNYOK
Wikipedia.org
Di ESA/NASA - http://www.spacetelescope.org/images/heic0301a/, Pubblico dominio, https://commons.wik
Di Smithsonian Institution - https://www.flickr.com/photos/25053835@N03/2940666879/in/photolist-5tRF
Di NASA/Ames Research Center - https://web.archive.org/web/20070327105953/http://ails.arc.nasa.gov/I
Di Sloan Digital Sky Survey, Apache Point Observatory, Astrophysical Research Consortium - Aladin Li
Di ESA/Hubble, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=29263039
Di ESO/Y. Beletsky - https://web.archive.org/web/20081121184421/http://www.eso.org/gallery/v/ESOPIA/
http://www.centrogramsci.it/?p=2103
Otthoni tippek
11/06/2024
