Countdown (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Countdown" in English language version.

Last modified: 09:52:39, 5 July 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

44web.archive.org

1^st place

1^st place

12^th place

73^rd place

43^rd place

43^rd place

11books.google.com

3^rd place

3^rd place

11wissenschaft-online.de

low place

low place

3,947^th place

2,253^rd place

6^th place

6^th place

11independent.co.uk

46^th place

29^th place

archive.org (Global: 6^th place; English: 6^th place)

Ley, Willy (October 1968). "The Orbit of Explorer-1". For Your Information. Galaxy Science Fiction. pp. 93–102.

books.google.com (Global: 3^rd place; English: 3^rd place)

Everett, William (1865). On the Cam: Lectures on the University of Cambridge in England. Cambridge, Massachusetts: Sever and Francis. p. 192.

dga.org (Global: 3,947^th place; English: 2,253^rd place)

Weide, Robert (Summer 2012). "The Outer Limits". DGA Quarterly. Los Angeles, California: Directors Guild of America, Inc.: 64–71. A gallery of behind-the-scenes shots of movies featuring space travel or aliens. Page 68, photo caption: "Directed by Fritz Lang (third from right), the silent film "Woman in the Moon" (1929) is considered one of the first serious science fiction films and invented the countdown before the launch of a rocket. Many of the basics of space travel were presented to a mass audience for the first time."

independent.co.uk (Global: 46^th place; English: 29^th place)

"Iranian protesters unveil clock showing 8,411 days until the end of Israel". The Independent. 2017-06-26. Retrieved 2025-06-29.

nasa.gov (Global: 12^th place; English: 73^rd place)

nasa.gov

"NASA Mission 'E-Minus' One Month to Comet Flyby". NASA Mission News. 2010-10-04. Archived from the original on 2016-04-13. Retrieved 2013-09-13.
"Launching by the Book". NASA. April 30, 2007. Archived from the original on May 2, 2007.

www-pao.ksc.nasa.gov

"Kennedy Space Flight Center Release 39-99: Space Shuttle weather launch commit criteria and KSD end of mission weather landing criteria". Nasa.gov. NASA. May 20, 1999. Archived from the original on June 26, 2009.

science.ksc.nasa.gov

"NASA, "The Space Shuttle launch team"". Science.ksc.nasa.gov. 1967-11-09. Archived from the original on 2015-06-19. Retrieved 2014-06-28.

twitter.com (Global: 43^rd place; English: 43^rd place)

NASA's Launch Services Program [@@NASA_LSP] (January 31, 2015). ""L Minus" time is different from "T Minus" time."L minus" indicates how far away we are from actual liftoff& doesn't include built-in holds" (Tweet) – via Twitter.

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

"NASA Mission 'E-Minus' One Month to Comet Flyby". NASA Mission News. 2010-10-04. Archived from the original on 2016-04-13. Retrieved 2013-09-13.
"Launching by the Book". NASA. April 30, 2007. Archived from the original on May 2, 2007.
"Kennedy Space Flight Center Release 39-99: Space Shuttle weather launch commit criteria and KSD end of mission weather landing criteria". Nasa.gov. NASA. May 20, 1999. Archived from the original on June 26, 2009.
"NASA, "The Space Shuttle launch team"". Science.ksc.nasa.gov. 1967-11-09. Archived from the original on 2015-06-19. Retrieved 2014-06-28.

wissenschaft-online.de (Global: low place; English: low place)

"Spektrum der Wissenschaft - DenkMal-Frage: "Was verdankt die Raumfahrt dem Stummfilm "Die Frau im Mond" (1929) von Fritz Lang?" [Spektrum der Wissenschaft - DenkMal question: "What does space travel owe to the silent film "Woman in the Moon" (1929) by Fritz Lang?] (in German). Wissenschaft-online.de.