![]() ![]() ![]() In a NASA countdown to a rocket launch, “T-minus” means “time minus” the “T” stands for the exact time at which the rocket is to be launched. ![]() At this point, the announcer says, “T-minus 10, 9, 8…. The closer the time of launch approaches, the more the countdown will be “T-minus 9 hours,” “T-minus 5 hours,” “T-minus 55 minutes,” etc., until it reaches the most iconic part of the launch countdown – the last 10 seconds before launch. That’s the “T-minus” countdown “T-minus 10 hours.” Imagine that NASA would launch a rocket in 10 hours. It is essentially a countdown, i.e., a sequence of counting backward that refers to the remaining “time” before the exact time of a planned event. Whether they are sending humans into space or just an unmanned satellite, NASA usually uses the term “T-minus” to prepare and lead up to a space launch. The term is generally used during countdowns to space launches. So stay here and read below !Ĭreated by NASA, the term t-minus is used for countdowns big and small, whether it be a rocket launch or days until the weekend. Have you ever heard "t minus" in a conversation wondering what it could possibly means ? This is your lucky day because we're going to put an answer on it. It has been used in peoples' daily conversations even in business announcements. Its usage has become more popular as time goes on. Septem 2018īio lab exam in T-minus 10 mins. The t-time can be started or stopped at any point of the countdowns. Second, for the word test, another explanation came out from an interview for a NASA podcast, in 2006, the NASA Launch Director Mike Leinbach stated that the t stood for the word test, “because it’s not always related to time.” Leinbach explained that t-minus time could be the start of a particular test that is “independent of the time of day.” If that time is 45 seconds away, it is said to be ‘T-minus 45 seconds and counting.'” The letter t could stand for the word time or test.įirst, for the word time, one research showed in 2010 stated by Jet Propulsion Laboratory media relations specialist DC Agle, “When a rocket is getting ready for liftoff, it will be lifting off at a specific time. Usually, it is a time when a rocket or a spaceship liftoff. It was used for countdowns, big and small, whether it be a rocket launch or days until a time or an event. The term t-minus first came out from the United States National Aeronautics and Space Administration (NASA). This answer is from an article found on an online dictionary site called. Un satélite colisiona con un cometa en 5 horas, el personal de tierra de la NASA formularía la cuenta regresiva para este encuentro como: “E-minus 5 hours.” También existe otro término conocido como "E-minus" (Event minus) que se refiere a la cuenta regresiva pero de un evento en específico como cuando un satélite ya está en el espacio. Al realizarse el lanzamiento ambos quedan en 00:00:00. A diferencia de "T-minus" este NO puede ser pausado en ningún momento. Este se refiere a los días, horas y minutos exactos que faltan para el lanzamiento. Otro término muy relacionado es "L-minus" (Launch minus). Este puede ser detenido según se necesite o incluso pueden haber pausas programadas en el proceso de lanzamiento. "T-minus" (Time minus) representa el tiempo restante, para el lanzamiento, en el reloj oficial de la cuenta regresiva. Por ejemplo, los últimos 10 segundos se contarían: T-minus 10, T-minus 9 y así sucesivamente hasta llegar al 0. Lo cierto es que este es un término usado por la NASA en misiones espaciales para realizar la cuenta regresiva en los lanzamientos de cohetes al espacio. ![]()
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