Liên kết ngoài Kính_viễn_vọng_không_gian_Hubble

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WikiPedia: Kính_viễn_vọng_không_gian_Hubble //nla.gov.au/anbd.aut-an35793914 http://www.heavens-above.com/orbit.aspx?satid=2058... http://www.history.com/news/10-fascinating-facts-a... http://time.com/3889335/hubble-telescope-first-pho... http://aleph.nkp.cz/F/?func=find-c&local_base=aut&... http://id.loc.gov/authorities/names/n91011423 http://nasa.gov/hubble http://history.nasa.gov/hubble/ http://d-nb.info/gnd/4260288-9 http://isni-url.oclc.nl/isni/0000000122148100