Vanguard 1 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Vanguard 1" in Italian language version.

refsWebsite

Global rank Italian rank

2web.archive.org

1^st place

1unvienna.org

low place

1usaweekend.com

5,674^th place

low place

1navy.mil

237^th place

863^rd place

1nasa.gov

75^th place

131^st place

1spaceref.com

8,446^th place

9,754^th place

nasa.gov (Global: 75^th place; Italian: 131^st place)

nssdc.gsfc.nasa.gov

Vanguard 1, su nssdc.gsfc.nasa.gov, NASA. URL consultato il 25 marzo 2008.

navy.mil (Global: 237^th place; Italian: 863^rd place)

code8200.nrl.navy.mil

Vanguard I the World's Oldest Satellite Still in Orbit Archiviato il 19 settembre 2008 in Internet Archive., accessed September 24, 2007

spaceref.com (Global: 8,446^th place; Italian: 9,754^th place)

Vanguard Approaches Half A Century In Space, Space Ref Interactive, by Keith Cowing, November 4, 2007

unvienna.org (Global: low place; Italian: low place)

oosa.unvienna.org

Charles W. Yost, Registration data for United States Space Launches (PDF), United Nations Office for Outer Space Affairs, 6 settembre 1963. URL consultato il 19 febbraio 2009.

usaweekend.com (Global: 5,674^th place; Italian: low place)

Space junk^{[collegamento interrotto]}, USA WEEKEND Magazine, by Julian Smith, August 26, 2007

web.archive.org (Global: 1^st place; Italian: 1^st place)

Vanguard I the World's Oldest Satellite Still in Orbit Archiviato il 19 settembre 2008 in Internet Archive., accessed September 24, 2007
Sounds from the First Satellites, su amsat.org, AMSAT, 15 dicembre 2006. URL consultato il 17 marzo 2008 (archiviato dall'url originale il 12 marzo 2008).

Vanguard 1 (Italian Wikipedia)

nasa.gov (Global: 75th place; Italian: 131st place)

nssdc.gsfc.nasa.gov

navy.mil (Global: 237th place; Italian: 863rd place)