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A countdown is a sequence of backward counting to indicate the time remaining before an event is scheduled to occur. [1]

26 relations: Apollo Command/Service Module, Count off, Delta II, Doomsday Clock, Explosive material, Film, Film leader, Fritz Lang, Greenwood Publishing Group, John C. Stennis Space Center, Kepler (spacecraft), Launch window, Mission Elapsed Time, NASA, New Year, New Year's Eve, Propellant, Solar Maximum Mission, Space Shuttle, Technical writer, Thea von Harbou, Timer, United Launch Alliance, University of Cambridge, William Everett, Woman in the Moon.

Apollo Command/Service Module

The Command/Service Module (CSM) was one of two spacecraft, along with the Lunar Module, used for the United States Apollo program which landed astronauts on the Moon.

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Count off

A count off, count in, or lead-in is a verbal, instrumental or visual cue used in musical performances and recordings to ensure a uniform entrance to the performance by the musicians and to establish the piece's initial tempo, time signature and style.

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Delta II

Delta II is an American space launch system, originally designed and built by McDonnell Douglas.

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Doomsday Clock

The Doomsday Clock is a symbolic clock face, representing a countdown to possible global catastrophe (e.g. nuclear war or climate change).

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Explosive material

An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.

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A film, also called a movie, motion picture or photoplay, is a series of still images which, when shown on a screen, creates the illusion of moving images due to the phi phenomenon.

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Film leader

A film leader is a length of film attached to the head or tail of a film to assist in threading a projector or telecine.

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Fritz Lang

Friedrich Christian Anton "Fritz" Lang (December 5, 1890 – August 2, 1976) was a German-Austrian filmmaker, screenwriter, and occasional film producer and actor.

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Greenwood Publishing Group

Greenwood Publishing Group (GPG) is an educational and academic publisher (middle school through university level) which is today part of ABC-CLIO.

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John C. Stennis Space Center

The John C. Stennis Space Center (SSC) is a NASA rocket testing facility.

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Kepler (spacecraft)

Kepler is a space observatory launched by NASA to discover Earth-like planets orbiting other stars.

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Launch window

In the context of spaceflight, a launch window is a time period during which a particular vehicle (rocket, Space Shuttle, etc.) must be launched in order to reach its intended target.

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Mission Elapsed Time

Mission Elapsed Time (MET) is used by NASA during their space missions, most notably during their Space Shuttle missions.

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The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research.

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New Year

New Year is the time at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on December 31.

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A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object.

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Solar Maximum Mission

The Solar Maximum Mission satellite (or SolarMax) was designed to investigate Solar phenomena, particularly solar flares.

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Space Shuttle

The Space Shuttle was a partially reusable low Earth orbital spacecraft system operated by the U.S. National Aeronautics and Space Administration (NASA).

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Technical writer

A technical writer is a professional writer who engages in technical writing and produces technical documentation that helps people understand and use a product or service.

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Thea von Harbou

Thea Gabriele von Harbou (27 December 1888 – 1 July 1954) was a German screenwriter, novelist, film director, and actress.

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A timer is a specialized type of clock for measuring time intervals.

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United Launch Alliance

United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security.

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University of Cambridge

The University of CambridgeThe corporate title of the university is The Chancellor, Masters, and Scholars of the University of Cambridge.

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William Everett

William Everett (October 10, 1839 – February 16, 1910) was born in Watertown, Massachusetts, United States.

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Woman in the Moon

Woman in the Moon (German Frau im Mond) is a science fiction silent film that premiered 15 October 1929.

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Redirects here:

Count Down, Count-down, Countdown clock, Launch countdown, T -, T Minus, T minus, T-, T-Minus, T-minus, Tminus.


[1] https://en.wikipedia.org/wiki/Countdown

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